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MW 70x20 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010095

GTIN/EAN: 5906301810940

5.00

Diameter Ø

70 mm [±0,1 mm]

Height

20 mm [±0,1 mm]

Weight

577.27 g

Magnetization Direction

↑ axial

Load capacity

99.83 kg / 979.00 N

Magnetic Induction

307.57 mT / 3076 Gs

Coating

[NiCuNi] Nickel

product specifications »

239.85 ZŁ with VAT / pcs + price for transport

195.00 ZŁ net + 23% VAT / pcs

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Product card - MW 70x20 / N38 - cylindrical magnet

Specification / characteristics - MW 70x20 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010095
GTIN/EAN 5906301810940
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
Diameter Ø 70 mm [±0,1 mm]
Height 20 mm [±0,1 mm]
Weight 577.27 g
Magnetization Direction ↑ axial
Load capacity ~ ? 99.83 kg / 979.00 N
Magnetic Induction ~ ? 307.57 mT / 3076 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 70x20 / N38 - cylindrical magnet
properties values units
remenance Br [min. - max.] ? 12.2-12.6 kGs
remenance Br [min. - max.] ? 1220-1260 mT
coercivity bHc ? 10.8-11.5 kOe
coercivity bHc ? 860-915 kA/m
actual internal force iHc ≥ 12 kOe
actual internal force iHc ≥ 955 kA/m
energy density [min. - max.] ? 36-38 BH max MGOe
energy density [min. - max.] ? 287-303 BH max KJ/m
max. temperature ? ≤ 80 °C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C
properties values units
Vickers hardness ≥550 Hv
Density ≥7.4 g/cm3
Curie Temperature TC 312 - 380 °C
Curie Temperature TF 593 - 716 °F
Specific resistance 150 μΩ⋅cm
Bending strength 250 MPa
Compressive strength 1000~1100 MPa
Thermal expansion parallel (∥) to orientation (M) (3-4) x 10-6 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²

Engineering simulation of the product - report

These data are the direct effect of a mathematical analysis. Results rely on algorithms for the class Nd2Fe14B. Actual parameters might slightly differ. Use these data as a preliminary roadmap when designing systems.

Table 1: Static pull force (pull vs distance) - interaction chart
MW 70x20 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 3075 Gs
307.5 mT
 99.83 kg / 220.09 LBS
99830.0 g / 979.3 N
 dangerous!
1 mm 3013 Gs
301.3 mT
 95.80 kg / 211.21 LBS
95804.4 g / 939.8 N
 dangerous!
2 mm 2946 Gs
294.6 mT
 91.59 kg / 201.92 LBS
91587.7 g / 898.5 N
 dangerous!
3 mm 2875 Gs
287.5 mT
 87.27 kg / 192.39 LBS
87266.0 g / 856.1 N
 dangerous!
5 mm 2727 Gs
272.7 mT
 78.48 kg / 173.02 LBS
78482.2 g / 769.9 N
 dangerous!
10 mm 2332 Gs
233.2 mT
 57.38 kg / 126.50 LBS
57380.6 g / 562.9 N
 dangerous!
15 mm 1942 Gs
194.2 mT
 39.80 kg / 87.73 LBS
39795.7 g / 390.4 N
 dangerous!
20 mm 1590 Gs
159.0 mT
 26.68 kg / 58.82 LBS
26680.3 g / 261.7 N
 dangerous!
30 mm 1044 Gs
104.4 mT
 11.51 kg / 25.38 LBS
11511.2 g / 112.9 N
 dangerous!
50 mm 466 Gs
46.6 mT
 2.29 kg / 5.06 LBS
2294.1 g / 22.5 N
 strong
Pulling power drops drastically with every mm of gap. Remember that even a microscopic distance (e.g., dirt, paint, dust) strongly weakens the grip. Neodymiums operate most effectively in perfect adhesion; gap kills the power. Observe how flashily the parameters fall, when the magnet does not adhere directly to the metal substrate. When calculating the arrangement, avoid unnecessary gaps.

Table 2: Shear capacity (wall)
MW 70x20 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 19.97 kg / 44.02 LBS
19966.0 g / 195.9 N
1 mm Stal (~0.2) 19.16 kg / 42.24 LBS
19160.0 g / 188.0 N
2 mm Stal (~0.2) 18.32 kg / 40.38 LBS
18318.0 g / 179.7 N
3 mm Stal (~0.2) 17.45 kg / 38.48 LBS
17454.0 g / 171.2 N
5 mm Stal (~0.2) 15.70 kg / 34.60 LBS
15696.0 g / 154.0 N
10 mm Stal (~0.2) 11.48 kg / 25.30 LBS
11476.0 g / 112.6 N
15 mm Stal (~0.2) 7.96 kg / 17.55 LBS
7960.0 g / 78.1 N
20 mm Stal (~0.2) 5.34 kg / 11.76 LBS
5336.0 g / 52.3 N
30 mm Stal (~0.2) 2.30 kg / 5.08 LBS
2302.0 g / 22.6 N
50 mm Stal (~0.2) 0.46 kg / 1.01 LBS
458.0 g / 4.5 N
The following data shows the theoretical weight limit needed to cause the shifting of the magnet downwards on a vertical steel plate (assuming typical friction). The holding force depends on the air gap between the magnet and the metal.

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MW 70x20 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
29.95 kg / 66.03 LBS
29949.0 g / 293.8 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
19.97 kg / 44.02 LBS
19966.0 g / 195.9 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
9.98 kg / 22.01 LBS
9983.0 g / 97.9 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
49.92 kg / 110.04 LBS
49915.0 g / 489.7 N
When placing a holder on a upright surface (e.g., a car body), it you can count on just approx. 20%-30% of its maximum pull force. Gravity as well as a low friction coefficient cause that products move down easier than they detach. Want to create a hanger? Remember that the shear force is much weaker than the maximum static pull force. On a smooth steel, the holder will give way down under a significantly smaller cargo. Using a rubber pad can effectively raise the stability.

Table 4: Steel thickness (substrate influence) - power losses
MW 70x20 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
3%
 3.33 kg / 7.34 LBS
3327.7 g / 32.6 N
1 mm
8%
 8.32 kg / 18.34 LBS
8319.2 g / 81.6 N
2 mm
17%
 16.64 kg / 36.68 LBS
16638.3 g / 163.2 N
3 mm
25%
 24.96 kg / 55.02 LBS
24957.5 g / 244.8 N
5 mm
42%
 41.60 kg / 91.70 LBS
41595.8 g / 408.1 N
10 mm
83%
 83.19 kg / 183.41 LBS
83191.7 g / 816.1 N
11 mm
92%
 91.51 kg / 201.75 LBS
91510.8 g / 897.7 N
12 mm
100%
 99.83 kg / 220.09 LBS
99830.0 g / 979.3 N
A thin metal plate is unable to conduct the full magnetic flux, which weakens actual performance of the magnet. If you mount a strong magnet to a thin surface, the field will pass right through and the attraction force will be weaker. To squeeze full efficiency of this neodymium's power, you require a sufficiently solid piece of metal. The saturation phenomenon causes that on thin elements (e.g., car bodies), the magnet shows lower pull force. We suggest choosing the steel thickness according to the table below.

Table 5: Thermal stability (stability) - resistance threshold
MW 70x20 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 99.83 kg / 220.09 LBS
99830.0 g / 979.3 N
 OK
40 °C -2.2% 97.63 kg / 215.25 LBS
97633.7 g / 957.8 N
 OK
60 °C -4.4% 95.44 kg / 210.40 LBS
95437.5 g / 936.2 N
80 °C -6.6% 93.24 kg / 205.56 LBS
93241.2 g / 914.7 N
100 °C -28.8% 71.08 kg / 156.70 LBS
71079.0 g / 697.3 N
Ordinary NdFeB products change their properties parameters past the thermal threshold. Avoid high temperatures – heat can irreversibly demagnetize this magnet. With every degree above norm, the neodymium's capacity briefly drops. Do not use this product in hot environments exceeding its working range. Too high temperature will lead to irreversible degradation of magnetism.
*Important note: Thermal stability depends not only on the material grade, and the Permeance Coefficient Pc. Thin magnets (pancake types) may lose charge permanently at lower temperatures compared to rod magnets. Warning indicator in the table signals a risk of irreversible loss for this particular item.

Table 6: Magnet-Magnet interaction (attraction) - forces in the system
MW 70x20 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Lateral Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 224.41 kg / 494.73 LBS
4 665 Gs
33.66 kg / 74.21 LBS
33661 g / 330.2 N
 N/A
1 mm 219.98 kg / 484.97 LBS
6 090 Gs
33.00 kg / 72.74 LBS
32997 g / 323.7 N
 197.98 kg / 436.47 LBS
~0 Gs
2 mm 215.36 kg / 474.78 LBS
6 026 Gs
32.30 kg / 71.22 LBS
32304 g / 316.9 N
 193.82 kg / 427.31 LBS
~0 Gs
3 mm 210.66 kg / 464.41 LBS
5 959 Gs
31.60 kg / 69.66 LBS
31598 g / 310.0 N
 189.59 kg / 417.97 LBS
~0 Gs
5 mm 201.05 kg / 443.23 LBS
5 822 Gs
30.16 kg / 66.48 LBS
30157 g / 295.8 N
 180.94 kg / 398.91 LBS
~0 Gs
10 mm 176.42 kg / 388.94 LBS
5 454 Gs
26.46 kg / 58.34 LBS
26463 g / 259.6 N
 158.78 kg / 350.05 LBS
~0 Gs
20 mm 128.99 kg / 284.36 LBS
4 663 Gs
19.35 kg / 42.65 LBS
19348 g / 189.8 N
 116.09 kg / 255.93 LBS
~0 Gs
50 mm 39.50 kg / 87.08 LBS
2 581 Gs
5.93 kg / 13.06 LBS
5925 g / 58.1 N
 35.55 kg / 78.38 LBS
~0 Gs
60 mm 25.88 kg / 57.05 LBS
2 089 Gs
3.88 kg / 8.56 LBS
3881 g / 38.1 N
 23.29 kg / 51.34 LBS
~0 Gs
70 mm 17.01 kg / 37.49 LBS
1 693 Gs
2.55 kg / 5.62 LBS
2551 g / 25.0 N
 15.31 kg / 33.74 LBS
~0 Gs
80 mm 11.28 kg / 24.86 LBS
1 379 Gs
1.69 kg / 3.73 LBS
1692 g / 16.6 N
 10.15 kg / 22.38 LBS
~0 Gs
90 mm 7.57 kg / 16.69 LBS
1 130 Gs
1.14 kg / 2.50 LBS
1136 g / 11.1 N
 6.81 kg / 15.02 LBS
~0 Gs
100 mm 5.16 kg / 11.37 LBS
932 Gs
0.77 kg / 1.71 LBS
774 g / 7.6 N
 4.64 kg / 10.23 LBS
~0 Gs
Two strong neodymiums attract each other from a significantly greater distance than a magnet and sheet setup. The connection of magnet-to-magnet creates a more powerful interaction and a larger range of action. Planning to create a powerful holder? Utilize two neodymiums instead of a neodymium and a steel. Be careful that when connecting a pair of magnets, the impact force is huge. The levitation is slightly lower than the attraction, but still significant.
*The magnetic induction for N-N configuration reaches ~0 Gs at the midpoint between the magnets (resulting from vector opposition).
Note: Figures show shear force of two same neodymium magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Hazards (implants) - precautionary measures
MW 70x20 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 30.5 cm
Hearing aid 10 Gs (1.0 mT) 24.0 cm
Mechanical watch 20 Gs (2.0 mT) 18.5 cm
Mobile device 40 Gs (4.0 mT) 14.5 cm
Remote 50 Gs (5.0 mT) 13.5 cm
Payment card 400 Gs (40.0 mT) 5.5 cm
HDD hard drive 600 Gs (60.0 mT) 4.5 cm
Extremely neodym field is a large risk to IT equipment and medical implants. These magnets generate a flux that disrupts operation of sensitive medical devices. Notice: the invisible magnetic field passes through tissues and housings. Increased vigilance must be taken by people with hearing aids and drug dispensers. Influence will be felt by: automatic timepieces, remotes, speakers, and displays. Avoid contact with magnetic cards, HDD media, or precise measuring instruments.

Table 8: Dynamics (kinetic energy) - warning
MW 70x20 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 17.39 km/h
(4.83 m/s)
 6.73 J
30 mm 24.57 km/h
(6.83 m/s)
 13.45 J
50 mm 30.08 km/h
(8.36 m/s)
 20.15 J
100 mm 41.97 km/h
(11.66 m/s)
 39.23 J
Magnetic elements are very brittle – a violent impact against metal can result in shattering. Watch the impact speed – a neodymium left loose turns into a projectile. Striking energy can destroy the magnet or injury to fingers. Be sure to control the product during mounting so it doesn't hit with great force against the steel surface. A contact at a velocity of dozens of km/h means shattering of the magnet. Wear eye protection when playing with powerful specimens.

Table 9: Surface protection spec
MW 70x20 / N38

Technical parameter Value / Description
Coating type [NiCuNi] Nickel
Layer structure Nickel - Copper - Nickel
Layer thickness 10-20 µm
Salt spray test (SST) ? 24 h
Recommended environment Indoors only (dry)
The following table defines the conditions under which this product can be safely used. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Electrical data (Flux)
MW 70x20 / N38

Parameter Value SI Unit / Description
Magnetic Flux 128 363 Mx 1283.6 µWb
Pc Coefficient 0.39 Low (Flat)
Total magnetic flux emitted by the magnet pole. Key data in coil applications as well as sensors. Pc value determines the working geometry.

Table 11: Underwater work (magnet fishing)
MW 70x20 / N38

Environment Effective steel pull Effect
Air (land) 99.83 kg Standard
Water (riverbed) 114.31 kg
(+14.48 kg buoyancy gain)
+14.5%
Corrosion warning: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
In water, the magnet feels stronger thanks to Archimedes' principle. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.
1. Wall mount (shear)

*Warning: On a vertical wall, the magnet retains only approx. 20-30% of its perpendicular strength.

2. Steel saturation

*Thin metal sheet (e.g. computer case) drastically reduces the holding force.

3. Temperature resistance

*For N38 grade, the safety limit is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.39

This simulation demonstrates the magnetic stability of the selected magnet under specific geometric conditions. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The Pc (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher Pc value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Technical and environmental data
Elemental analysis
iron (Fe) 64% – 68%
neodymium (Nd) 29% – 32%
boron (B) 1.1% – 1.2%
dysprosium (Dy) 0.5% – 2.0%
coating (Ni-Cu-Ni) < 0.05%
Environmental data
recyclability (EoL) 100%
recycled raw materials ~10% (pre-cons)
carbon footprint low / zredukowany
waste code (EWC) 16 02 16
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 010095-2026
Magnet Unit Converter
Magnet pull force
Magnetic Induction
Simply fill in any input, to let the calculator compute the rest automatically.

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The offered product is an incredibly powerful cylindrical magnet, manufactured from advanced NdFeB material, which, at dimensions of Ø70x20 mm, guarantees the highest energy density. This specific item boasts high dimensional repeatability and industrial build quality, making it a perfect solution for the most demanding engineers and designers. As a magnetic rod with impressive force (approx. 99.83 kg), this product is in stock from our warehouse in Poland, ensuring rapid order fulfillment. Moreover, its Ni-Cu-Ni coating shields it against corrosion in standard operating conditions, ensuring an aesthetic appearance and durability for years.
It successfully proves itself in DIY projects, advanced robotics, and broadly understood industry, serving as a positioning or actuating element. Thanks to the high power of 979.00 N with a weight of only 577.27 g, this rod is indispensable in electronics and wherever low weight is crucial.
Since our magnets have a tolerance of ±0.1mm, the best method is to glue them into holes with a slightly larger diameter (e.g., 70.1 mm) using epoxy glues. To ensure stability in industry, specialized industrial adhesives are used, which are safe for nickel and fill the gap, guaranteeing high repeatability of the connection.
Grade N38 is the most popular standard for industrial neodymium magnets, offering a great economic balance and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø70x20), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.
This model is characterized by dimensions Ø70x20 mm, which, at a weight of 577.27 g, makes it an element with high magnetic energy density. The key parameter here is the holding force amounting to approximately 99.83 kg (force ~979.00 N), which, with such defined dimensions, proves the high grade of the NdFeB material. The product has a [NiCuNi] coating, which secures it against external factors, giving it an aesthetic, silvery shine.
Standardly, the magnetic axis runs through the center of the cylinder, causing the greatest attraction force to occur on the bases with a diameter of 70 mm. Thanks to this, the magnet can be easily glued into a hole and achieve a strong field on the front surface. On request, we can also produce versions magnetized diametrically if your project requires it.

Pros and cons of neodymium magnets.

Strengths

Apart from their superior magnetism, neodymium magnets have these key benefits:
  • They virtually do not lose strength, because even after 10 years the performance loss is only ~1% (in laboratory conditions),
  • They feature excellent resistance to magnetism drop as a result of external fields,
  • The use of an aesthetic coating of noble metals (nickel, gold, silver) causes the element to present itself better,
  • Magnetic induction on the working part of the magnet remains strong,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
  • Possibility of accurate forming and optimizing to individual requirements,
  • Significant place in high-tech industry – they are commonly used in computer drives, motor assemblies, advanced medical instruments, also other advanced devices.
  • Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which makes them useful in miniature devices

Limitations

Characteristics of disadvantages of neodymium magnets: tips and applications.
  • They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only protects the magnet but also improves its resistance to damage
  • Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
  • Magnets exposed to a humid environment can rust. Therefore when using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
  • We recommend cover - magnetic holder, due to difficulties in realizing nuts inside the magnet and complicated forms.
  • Health risk resulting from small fragments of magnets pose a threat, if swallowed, which is particularly important in the context of child safety. It is also worth noting that tiny parts of these devices are able to be problematic in diagnostics medical in case of swallowing.
  • With budget limitations the cost of neodymium magnets can be a barrier,

Holding force characteristics

Maximum lifting capacity of the magnet – what it depends on?

Information about lifting capacity is the result of a measurement for the most favorable conditions, including:
  • on a plate made of structural steel, effectively closing the magnetic field
  • possessing a massiveness of min. 10 mm to avoid saturation
  • characterized by lack of roughness
  • under conditions of gap-free contact (metal-to-metal)
  • under axial force direction (90-degree angle)
  • in stable room temperature

Determinants of lifting force in real conditions

During everyday use, the actual lifting capacity is determined by several key aspects, presented from crucial:
  • Distance (betwixt the magnet and the metal), because even a microscopic distance (e.g. 0.5 mm) leads to a decrease in force by up to 50% (this also applies to paint, corrosion or dirt).
  • Force direction – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet holds much less (often approx. 20-30% of maximum force).
  • Metal thickness – thin material does not allow full use of the magnet. Magnetic flux passes through the material instead of generating force.
  • Material type – the best choice is pure iron steel. Hardened steels may have worse magnetic properties.
  • Smoothness – full contact is possible only on smooth steel. Any scratches and bumps create air cushions, reducing force.
  • Temperature influence – hot environment reduces pulling force. Too high temperature can permanently damage the magnet.

Lifting capacity was measured using a polished steel plate of suitable thickness (min. 20 mm), under vertically applied force, whereas under attempts to slide the magnet the load capacity is reduced by as much as 5 times. Moreover, even a small distance between the magnet’s surface and the plate decreases the holding force.

Precautions when working with neodymium magnets
Do not underestimate power

Before starting, read the rules. Uncontrolled attraction can destroy the magnet or injure your hand. Think ahead.

Protect data

Intense magnetic fields can erase data on credit cards, HDDs, and storage devices. Maintain a gap of at least 10 cm.

Risk of cracking

Neodymium magnets are sintered ceramics, which means they are very brittle. Impact of two magnets will cause them breaking into shards.

Bodily injuries

Danger of trauma: The pulling power is so great that it can result in hematomas, crushing, and even bone fractures. Use thick gloves.

Precision electronics

A strong magnetic field interferes with the functioning of compasses in phones and GPS navigation. Maintain magnets close to a device to prevent damaging the sensors.

Danger to the youngest

Always store magnets away from children. Risk of swallowing is significant, and the consequences of magnets connecting inside the body are fatal.

Power loss in heat

Watch the temperature. Heating the magnet above 80 degrees Celsius will destroy its magnetic structure and pulling force.

Flammability

Powder generated during machining of magnets is flammable. Avoid drilling into magnets without proper cooling and knowledge.

Metal Allergy

Nickel alert: The Ni-Cu-Ni coating contains nickel. If skin irritation occurs, immediately stop working with magnets and wear gloves.

Medical implants

Individuals with a heart stimulator should maintain an absolute distance from magnets. The magnetism can interfere with the functioning of the implant.

Caution! Need more info? Check our post: Are neodymium magnets dangerous?