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MPL 12.5x12.5x5 / N38 - lamellar magnet

lamellar magnet

Catalog no 020117

GTIN/EAN: 5906301811237

5.00

length

12.5 mm [±0,1 mm]

Width

12.5 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

5.86 g

Magnetization Direction

↑ axial

Load capacity

4.84 kg / 47.51 N

Magnetic Induction

360.91 mT / 3609 Gs

Coating

[NiCuNi] Nickel

check parameters »

2.83 ZŁ with VAT / pcs + price for transport

2.30 ZŁ net + 23% VAT / pcs

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Technical parameters of the product - MPL 12.5x12.5x5 / N38 - lamellar magnet

Specification / characteristics - MPL 12.5x12.5x5 / N38 - lamellar magnet

properties
properties values
Cat. no. 020117
GTIN/EAN 5906301811237
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
length 12.5 mm [±0,1 mm]
Width 12.5 mm [±0,1 mm]
Height 5 mm [±0,1 mm]
Weight 5.86 g
Magnetization Direction ↑ axial
Load capacity ~ ? 4.84 kg / 47.51 N
Magnetic Induction ~ ? 360.91 mT / 3609 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 12.5x12.5x5 / N38 - lamellar 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

Technical modeling of the assembly - report

These data constitute the outcome of a engineering calculation. Results are based on algorithms for the material Nd2Fe14B. Actual performance might slightly differ from theoretical values. Please consider these data as a reference point when designing systems.

Table 1: Static force (pull vs distance) - interaction chart
MPL 12.5x12.5x5 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 3608 Gs
360.8 mT
 4.84 kg / 10.67 lbs
4840.0 g / 47.5 N
 medium risk
1 mm 3156 Gs
315.6 mT
 3.70 kg / 8.17 lbs
3704.2 g / 36.3 N
 medium risk
2 mm 2671 Gs
267.1 mT
 2.65 kg / 5.85 lbs
2653.8 g / 26.0 N
 medium risk
3 mm 2211 Gs
221.1 mT
 1.82 kg / 4.01 lbs
1817.7 g / 17.8 N
 weak grip
5 mm 1464 Gs
146.4 mT
 0.80 kg / 1.76 lbs
797.6 g / 7.8 N
 weak grip
10 mm 538 Gs
53.8 mT
 0.11 kg / 0.24 lbs
107.6 g / 1.1 N
 weak grip
15 mm 234 Gs
23.4 mT
 0.02 kg / 0.05 lbs
20.4 g / 0.2 N
 weak grip
20 mm 119 Gs
11.9 mT
 0.01 kg / 0.01 lbs
5.3 g / 0.1 N
 weak grip
30 mm 42 Gs
4.2 mT
 0.00 kg / 0.00 lbs
0.7 g / 0.0 N
 weak grip
50 mm 10 Gs
1.0 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 weak grip
Pulling power decreases drastically per each millimeter of gap. Keep in mind that even a very thin break (e.g., contamination, paint, dust) significantly weakens the grip. Magnets operate optimally during direct contact; distance nullifies the force. Notice how quickly the pull force drop, when the magnet does not touch tightly to the metal substrate. When calculating the arrangement, eliminate unnecessary gaps.

Table 2: Vertical capacity (wall)
MPL 12.5x12.5x5 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.97 kg / 2.13 lbs
968.0 g / 9.5 N
1 mm Stal (~0.2) 0.74 kg / 1.63 lbs
740.0 g / 7.3 N
2 mm Stal (~0.2) 0.53 kg / 1.17 lbs
530.0 g / 5.2 N
3 mm Stal (~0.2) 0.36 kg / 0.80 lbs
364.0 g / 3.6 N
5 mm Stal (~0.2) 0.16 kg / 0.35 lbs
160.0 g / 1.6 N
10 mm Stal (~0.2) 0.02 kg / 0.05 lbs
22.0 g / 0.2 N
15 mm Stal (~0.2) 0.00 kg / 0.01 lbs
4.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 lbs
2.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
This section presents the theoretical shear load sufficient to cause the shifting of the magnet downwards against a vertical metal surface (considering standard friction). This parameter depends on the gap size between the magnet and the metal.

Table 3: Vertical assembly (shearing) - vertical pull
MPL 12.5x12.5x5 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
1.45 kg / 3.20 lbs
1452.0 g / 14.2 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.97 kg / 2.13 lbs
968.0 g / 9.5 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.48 kg / 1.07 lbs
484.0 g / 4.7 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
2.42 kg / 5.34 lbs
2420.0 g / 23.7 N
When hanging a holder on a vertical surface (e.g., a fridge), it will maintain barely approx. 20%-30% of its maximum pull force. Gravity and a weak degree of grip cause that products move down easier than they detach. Want to create a hanger? Note that the sliding force is noticeably lower than the perpendicular breakaway force. On a painted metal, the holder will slide down under a noticeably lighter weight. Using a rubber layer can drastically raise the stability.

Table 4: Steel thickness (saturation) - sheet metal selection
MPL 12.5x12.5x5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.48 kg / 1.07 lbs
484.0 g / 4.7 N
1 mm
25%
 1.21 kg / 2.67 lbs
1210.0 g / 11.9 N
2 mm
50%
 2.42 kg / 5.34 lbs
2420.0 g / 23.7 N
3 mm
75%
 3.63 kg / 8.00 lbs
3630.0 g / 35.6 N
5 mm
100%
 4.84 kg / 10.67 lbs
4840.0 g / 47.5 N
10 mm
100%
 4.84 kg / 10.67 lbs
4840.0 g / 47.5 N
11 mm
100%
 4.84 kg / 10.67 lbs
4840.0 g / 47.5 N
12 mm
100%
 4.84 kg / 10.67 lbs
4840.0 g / 47.5 N
A thin metal plate is not enough to conduct the entire magnetic field, which squanders power of the holder. If you attach a powerful product to a too thin substrate, the magnetism will pass right through and the pull force will drop sharply. To achieve 100% of this magnet's power, you need a suitably thick element of steel. The material oversaturation causes that on sheet metal structures (e.g., thin profiles), the holder holds weaker. We advise picking the steel cross-section based on the following data.

Table 5: Thermal resistance (material behavior) - resistance threshold
MPL 12.5x12.5x5 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 4.84 kg / 10.67 lbs
4840.0 g / 47.5 N
 OK
40 °C -2.2% 4.73 kg / 10.44 lbs
4733.5 g / 46.4 N
 OK
60 °C -4.4% 4.63 kg / 10.20 lbs
4627.0 g / 45.4 N
80 °C -6.6% 4.52 kg / 9.97 lbs
4520.6 g / 44.3 N
100 °C -28.8% 3.45 kg / 7.60 lbs
3446.1 g / 33.8 N
Ordinary NdFeB products lose strength past the thermal threshold. Avoid high temperatures – excessive heat can irreversibly destroy this product. With increasing heat, the neodymium's capacity temporarily lowers. Avoid using this magnet near heat sources exceeding its operating temperature limit. Too high temperature will cause irreversible degradation of magnetic properties.
*Engineering note: Temperature resistance depends not only on the material grade, and the Permeance Coefficient Pc. Thin magnets (low Pc) may lose charge permanently sooner than taller cylinders. Red status in the table points to a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MPL 12.5x12.5x5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Lateral Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 12.54 kg / 27.64 lbs
5 069 Gs
1.88 kg / 4.15 lbs
1880 g / 18.4 N
 N/A
1 mm 11.08 kg / 24.43 lbs
6 783 Gs
1.66 kg / 3.66 lbs
1662 g / 16.3 N
 9.97 kg / 21.98 lbs
~0 Gs
2 mm 9.59 kg / 21.15 lbs
6 312 Gs
1.44 kg / 3.17 lbs
1439 g / 14.1 N
 8.63 kg / 19.04 lbs
~0 Gs
3 mm 8.18 kg / 18.03 lbs
5 827 Gs
1.23 kg / 2.70 lbs
1226 g / 12.0 N
 7.36 kg / 16.22 lbs
~0 Gs
5 mm 5.71 kg / 12.60 lbs
4 871 Gs
0.86 kg / 1.89 lbs
857 g / 8.4 N
 5.14 kg / 11.34 lbs
~0 Gs
10 mm 2.07 kg / 4.55 lbs
2 929 Gs
0.31 kg / 0.68 lbs
310 g / 3.0 N
 1.86 kg / 4.10 lbs
~0 Gs
20 mm 0.28 kg / 0.61 lbs
1 076 Gs
0.04 kg / 0.09 lbs
42 g / 0.4 N
 0.25 kg / 0.55 lbs
~0 Gs
50 mm 0.00 kg / 0.01 lbs
136 Gs
0.00 kg / 0.00 lbs
1 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
60 mm 0.00 kg / 0.00 lbs
84 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
70 mm 0.00 kg / 0.00 lbs
56 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
80 mm 0.00 kg / 0.00 lbs
39 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
90 mm 0.00 kg / 0.00 lbs
28 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
100 mm 0.00 kg / 0.00 lbs
21 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
Two magnetic products interact from a much further distance than a magnet and steel setup. The setup of two magnets creates a more powerful interaction and a larger range of performance. Designing a solid fastener? Use a pair of magnets instead of a neodymium and a striker plate. Exercise caution that when bringing together two magnets, the pinch force is huge. The levitation is marginally weaker than the attraction, but still significant.
*Flux density in repulsion mode is approximately ~0 Gs at the midpoint between the magnets (resulting from vector opposition).
Note: Calculations show shear force of dual identical neodymium magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Safety (HSE) (electronics) - warnings
MPL 12.5x12.5x5 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 6.5 cm
Hearing aid 10 Gs (1.0 mT) 5.5 cm
Timepiece 20 Gs (2.0 mT) 4.0 cm
Phone / Smartphone 40 Gs (4.0 mT) 3.5 cm
Car key 50 Gs (5.0 mT) 3.0 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm
Extremely neodym field poses a real danger to IT equipment and medical implants. These magnets generate a field that disrupts operation of sensitive medical devices. Notice: the unseen radiation penetrates the body and plastic. Exceptional care must be exercised by people with hearing aids and drug dispensers. Also at risk are: mechanical watches, remotes, membranes, and displays. Do not place the magnet near cards, HDD media, or sensitive navigation tools.

Table 8: Impact energy (kinetic energy) - warning
MPL 12.5x12.5x5 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 29.38 km/h
(8.16 m/s)
 0.20 J
30 mm 50.21 km/h
(13.95 m/s)
 0.57 J
50 mm 64.81 km/h
(18.00 m/s)
 0.95 J
100 mm 91.65 km/h
(25.46 m/s)
 1.90 J
NdFeB products are delicate – a violent impact against metal can result in shattering. Pay attention to connection velocity – a magnet released freely turns into a projectile. Impact energy can cause material chips or painful pinches to fingers. Always hold the magnet during installation so it doesn't slam with momentum against the metal. A collision at high speed ends with a crack of the magnet. Use safety goggles when handling with powerful specimens.

Table 9: Surface protection spec
MPL 12.5x12.5x5 / 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 SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. Note the thickness of the protective layer.

Table 10: Electrical data (Flux)
MPL 12.5x12.5x5 / N38

Parameter Value SI Unit / Description
Magnetic Flux 5 874 Mx 58.7 µWb
Pc Coefficient 0.46 Low (Flat)
Total magnetic flux passing through the pole surface. Essential parameter in coil applications as well as sensors. Pc value defines the magnet's operating point.

Table 11: Hydrostatics and buoyancy
MPL 12.5x12.5x5 / N38

Environment Effective steel pull Effect
Air (land) 4.84 kg Standard
Water (riverbed) 5.54 kg
(+0.70 kg buoyancy gain)
+14.5%
Corrosion warning: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!
The magnetic field penetrates through water without any losses. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.
1. Vertical hold

*Note: On a vertical wall, the magnet holds merely a fraction of its perpendicular strength.

2. Steel thickness impact

*Thin metal sheet (e.g. 0.5mm PC case) drastically limits the holding force.

3. Heat tolerance

*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) = 0.46

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. 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
Chemical composition
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%
Ecology and recycling (GPSR)
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: 020117-2026
Measurement Calculator
Pulling force
Magnetic Field
Type data in a box, to see all other values will update on the fly.

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This product is an extremely strong plate magnet made of NdFeB material, which, with dimensions of 12.5x12.5x5 mm and a weight of 5.86 g, guarantees premium class connection. This rectangular block with a force of 47.51 N is ready for shipment in 24h, allowing for rapid realization of your project. Additionally, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, giving it an aesthetic appearance.
The key to success is sliding the magnets along their largest connection plane (using e.g., the edge of a table), which is easier than trying to tear them apart directly. To separate the MPL 12.5x12.5x5 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend extreme caution, because after separation, the magnets may want to violently snap back together, which threatens pinching the skin. Using a screwdriver risks destroying the coating and permanently cracking the magnet.
They constitute a key element in the production of generators and material handling systems. They work great as fasteners under tiles, wood, or glass. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.
Cyanoacrylate glues (super glue type) are good only for small magnets; for larger plates, we recommend resins. Double-sided tape cushions vibrations, which is an advantage when mounting in moving elements. Remember to roughen and wash the magnet surface before gluing, which significantly increases the adhesion of the glue to the nickel coating.
Standardly, the MPL 12.5x12.5x5 / N38 model is magnetized axially (dimension 5 mm), which means that the N and S poles are located on its largest, flat surfaces. Thanks to this, it works best when "sticking" to sheet metal or another magnet with a large surface area. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.
The presented product is a neodymium magnet with precisely defined parameters: 12.5 mm (length), 12.5 mm (width), and 5 mm (thickness). It is a magnetic block with dimensions 12.5x12.5x5 mm and a self-weight of 5.86 g, ready to work at temperatures up to 80°C. The protective [NiCuNi] coating secures the magnet against corrosion.

Strengths as well as weaknesses of Nd2Fe14B magnets.

Strengths

Besides their tremendous strength, neodymium magnets offer the following advantages:
  • They retain magnetic properties for around 10 years – the loss is just ~1% (based on simulations),
  • Magnets very well protect themselves against demagnetization caused by ambient magnetic noise,
  • The use of an aesthetic layer of noble metals (nickel, gold, silver) causes the element to look better,
  • Neodymium magnets deliver maximum magnetic induction on a contact point, which ensures high operational effectiveness,
  • Through (appropriate) combination of ingredients, they can achieve high thermal strength, enabling action at temperatures approaching 230°C and above...
  • Possibility of accurate machining and optimizing to precise needs,
  • Universal use in modern industrial fields – they find application in mass storage devices, motor assemblies, advanced medical instruments, and technologically advanced constructions.
  • Thanks to efficiency per cm³, small magnets offer high operating force, occupying minimum space,

Disadvantages

Disadvantages of NdFeB magnets:
  • At very strong impacts they can crack, therefore we advise placing them in strong housings. A metal housing provides additional protection against damage and increases the magnet's durability.
  • NdFeB magnets lose force when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening 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 corrode. Therefore during using outdoors, we advise using waterproof magnets made of rubber, plastic or other material protecting against moisture
  • Limited ability of producing threads in the magnet and complex forms - preferred is casing - magnetic holder.
  • Potential hazard to health – tiny shards of magnets can be dangerous, if swallowed, which is particularly important in the context of child health protection. Additionally, small components of these devices are able to complicate diagnosis medical after entering the body.
  • With mass production the cost of neodymium magnets is economically unviable,

Holding force characteristics

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

The force parameter is a theoretical maximum value performed under specific, ideal conditions:
  • on a block made of structural steel, effectively closing the magnetic field
  • with a thickness of at least 10 mm
  • characterized by smoothness
  • with direct contact (no coatings)
  • under perpendicular force direction (90-degree angle)
  • at room temperature

Determinants of practical lifting force of a magnet

Holding efficiency impacted by specific conditions, such as (from most important):
  • Clearance – existence of any layer (rust, dirt, gap) acts as an insulator, which lowers power steeply (even by 50% at 0.5 mm).
  • Angle of force application – highest force is available only during perpendicular pulling. The resistance to sliding of the magnet along the plate is typically several times lower (approx. 1/5 of the lifting capacity).
  • Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux passes through the material instead of converting into lifting capacity.
  • Steel grade – ideal substrate is high-permeability steel. Cast iron may generate lower lifting capacity.
  • Surface quality – the more even the surface, the better the adhesion and higher the lifting capacity. Roughness acts like micro-gaps.
  • Temperature influence – hot environment reduces pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.

Lifting capacity testing was conducted on plates with a smooth surface of optimal thickness, under perpendicular forces, however under shearing force the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet and the plate reduces the load capacity.

H&S for magnets
Hand protection

Risk of injury: The attraction force is so immense that it can cause blood blisters, crushing, and even bone fractures. Use thick gloves.

Safe distance

Device Safety: Neodymium magnets can ruin payment cards and delicate electronics (heart implants, hearing aids, timepieces).

Machining danger

Mechanical processing of NdFeB material poses a fire risk. Neodymium dust reacts violently with oxygen and is difficult to extinguish.

Heat sensitivity

Do not overheat. NdFeB magnets are susceptible to heat. If you require resistance above 80°C, ask us about HT versions (H, SH, UH).

Skin irritation risks

Warning for allergy sufferers: The nickel-copper-nickel coating contains nickel. If skin irritation occurs, immediately stop handling magnets and wear gloves.

GPS and phone interference

Remember: neodymium magnets generate a field that confuses precision electronics. Maintain a safe distance from your mobile, tablet, and GPS.

Safe operation

Before use, check safety instructions. Sudden snapping can break the magnet or hurt your hand. Think ahead.

Implant safety

For implant holders: Powerful magnets disrupt medical devices. Maintain minimum 30 cm distance or request help to handle the magnets.

Magnets are brittle

NdFeB magnets are ceramic materials, which means they are very brittle. Impact of two magnets leads to them cracking into small pieces.

Adults only

Neodymium magnets are not intended for children. Swallowing a few magnets may result in them attracting across intestines, which poses a severe health hazard and necessitates urgent medical intervention.

Warning! Looking for details? Read our article: Are neodymium magnets dangerous?