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MPL 60x10x5 / N38 - lamellar magnet

lamellar magnet

Catalog no 020474

GTIN/EAN: 5906301811947

5.00

length

60 mm [±0,1 mm]

Width

10 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

22.5 g

Magnetization Direction

↑ axial

Load capacity

18.16 kg / 178.10 N

Magnetic Induction

315.09 mT / 3151 Gs

Coating

[NiCuNi] Nickel

technical specifications »

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Technical parameters - MPL 60x10x5 / N38 - lamellar magnet

Specification / characteristics - MPL 60x10x5 / N38 - lamellar magnet

properties
properties values
Cat. no. 020474
GTIN/EAN 5906301811947
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 60 mm [±0,1 mm]
Width 10 mm [±0,1 mm]
Height 5 mm [±0,1 mm]
Weight 22.5 g
Magnetization Direction ↑ axial
Load capacity ~ ? 18.16 kg / 178.10 N
Magnetic Induction ~ ? 315.09 mT / 3151 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 60x10x5 / 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

Engineering modeling of the assembly - data

These values represent the result of a physical calculation. Results rely on algorithms for the material Nd2Fe14B. Real-world parameters might slightly differ. Please consider these data as a reference point when designing systems.

Table 1: Static force (force vs gap) - interaction chart
MPL 60x10x5 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 3149 Gs
314.9 mT
 18.16 kg / 40.04 LBS
18160.0 g / 178.1 N
 crushing
1 mm 2731 Gs
273.1 mT
 13.66 kg / 30.11 LBS
13658.3 g / 134.0 N
 crushing
2 mm 2302 Gs
230.2 mT
 9.70 kg / 21.38 LBS
9698.4 g / 95.1 N
 strong
3 mm 1912 Gs
191.2 mT
 6.70 kg / 14.76 LBS
6696.5 g / 65.7 N
 strong
5 mm 1317 Gs
131.7 mT
 3.18 kg / 7.00 LBS
3176.9 g / 31.2 N
 strong
10 mm 598 Gs
59.8 mT
 0.65 kg / 1.44 LBS
653.8 g / 6.4 N
 weak grip
15 mm 330 Gs
33.0 mT
 0.20 kg / 0.44 LBS
199.2 g / 2.0 N
 weak grip
20 mm 205 Gs
20.5 mT
 0.08 kg / 0.17 LBS
77.0 g / 0.8 N
 weak grip
30 mm 96 Gs
9.6 mT
 0.02 kg / 0.04 LBS
16.9 g / 0.2 N
 weak grip
50 mm 31 Gs
3.1 mT
 0.00 kg / 0.00 LBS
1.8 g / 0.0 N
 weak grip
Magnetic force drops drastically per each millimeter of distance. Keep in mind that every additional insulation layer (e.g., contamination, paint, veneer) noticeably diminishes the holding power. Magnetic products work strongest in perfect adhesion; distance weakens the power. See how rapidly the pull force plummet, when the magnet does not touch tightly to the metal substrate. When designing the assembly, discard additional spacers.

Table 2: Slippage load (vertical surface)
MPL 60x10x5 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 3.63 kg / 8.01 LBS
3632.0 g / 35.6 N
1 mm Stal (~0.2) 2.73 kg / 6.02 LBS
2732.0 g / 26.8 N
2 mm Stal (~0.2) 1.94 kg / 4.28 LBS
1940.0 g / 19.0 N
3 mm Stal (~0.2) 1.34 kg / 2.95 LBS
1340.0 g / 13.1 N
5 mm Stal (~0.2) 0.64 kg / 1.40 LBS
636.0 g / 6.2 N
10 mm Stal (~0.2) 0.13 kg / 0.29 LBS
130.0 g / 1.3 N
15 mm Stal (~0.2) 0.04 kg / 0.09 LBS
40.0 g / 0.4 N
20 mm Stal (~0.2) 0.02 kg / 0.04 LBS
16.0 g / 0.2 N
30 mm Stal (~0.2) 0.00 kg / 0.01 LBS
4.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
This section defines the estimated shear load sufficient to initiate the shifting of the magnet downwards on a upright steel wall (assuming typical friction coefficient). The holding force depends on the gap size between the magnet and the surface.

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MPL 60x10x5 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
5.45 kg / 12.01 LBS
5448.0 g / 53.4 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
3.63 kg / 8.01 LBS
3632.0 g / 35.6 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
1.82 kg / 4.00 LBS
1816.0 g / 17.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
9.08 kg / 20.02 LBS
9080.0 g / 89.1 N
When mounting a magnet on a vertical plane (e.g., a board), it you can count on barely approx. 20%-30% of its maximum pull force. Gravitational force and a low friction coefficient mean that magnets slip faster than they detach. Designing a vertical fastening? Consider that the shear force is significantly lower than the maximum static pull force. On a smooth steel, the holder will slide down under a much lighter weight. Using a rubber coating can drastically increase the grip.

Table 4: Steel thickness (saturation) - sheet metal selection
MPL 60x10x5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
5%
 0.91 kg / 2.00 LBS
908.0 g / 8.9 N
1 mm
13%
 2.27 kg / 5.00 LBS
2270.0 g / 22.3 N
2 mm
25%
 4.54 kg / 10.01 LBS
4540.0 g / 44.5 N
3 mm
38%
 6.81 kg / 15.01 LBS
6810.0 g / 66.8 N
5 mm
63%
 11.35 kg / 25.02 LBS
11350.0 g / 111.3 N
10 mm
100%
 18.16 kg / 40.04 LBS
18160.0 g / 178.1 N
11 mm
100%
 18.16 kg / 40.04 LBS
18160.0 g / 178.1 N
12 mm
100%
 18.16 kg / 40.04 LBS
18160.0 g / 178.1 N
A too thin steel is not enough to absorb the full magnetic flux, which wastes potential of the magnet. If you mount a strong magnet to a thin surface, the flux will penetrate right through and the attraction force will be weaker. To achieve 100% of this magnet's potential, you need a suitably thick element of metal. The saturation phenomenon causes that on thin elements (e.g., car bodies), the magnet works worse. We advise picking the steel cross-section based on the following data.

Table 5: Thermal stability (material behavior) - resistance threshold
MPL 60x10x5 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 18.16 kg / 40.04 LBS
18160.0 g / 178.1 N
 OK
40 °C -2.2% 17.76 kg / 39.16 LBS
17760.5 g / 174.2 N
 OK
60 °C -4.4% 17.36 kg / 38.27 LBS
17361.0 g / 170.3 N
80 °C -6.6% 16.96 kg / 37.39 LBS
16961.4 g / 166.4 N
100 °C -28.8% 12.93 kg / 28.51 LBS
12929.9 g / 126.8 N
Standard neodymium magnets change their properties strength after exceeding the maximum temperature. Protect against heat – heat can irreversibly demagnetize this magnet. With every degree above norm, the neodymium's power briefly drops. Avoid using this magnet close to heaters exceeding its safe range. Ignoring the limit will result in irreversible degradation of magnetic properties.
*Technical advisory: Thermal stability is determined by both grade, as well as the dimension ratios. Flat magnets (low permeance coefficient) may lose charge permanently sooner than taller cylinders. Red status in the table signals a risk of irreversible loss for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MPL 60x10x5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 36.69 kg / 80.89 LBS
4 464 Gs
5.50 kg / 12.13 LBS
5503 g / 54.0 N
 N/A
1 mm 32.13 kg / 70.84 LBS
5 895 Gs
4.82 kg / 10.63 LBS
4820 g / 47.3 N
 28.92 kg / 63.76 LBS
~0 Gs
2 mm 27.59 kg / 60.83 LBS
5 463 Gs
4.14 kg / 9.13 LBS
4139 g / 40.6 N
 24.83 kg / 54.75 LBS
~0 Gs
3 mm 23.37 kg / 51.53 LBS
5 027 Gs
3.51 kg / 7.73 LBS
3506 g / 34.4 N
 21.03 kg / 46.37 LBS
~0 Gs
5 mm 16.31 kg / 35.97 LBS
4 200 Gs
2.45 kg / 5.39 LBS
2447 g / 24.0 N
 14.68 kg / 32.37 LBS
~0 Gs
10 mm 6.42 kg / 14.15 LBS
2 635 Gs
0.96 kg / 2.12 LBS
963 g / 9.4 N
 5.78 kg / 12.74 LBS
~0 Gs
20 mm 1.32 kg / 2.91 LBS
1 195 Gs
0.20 kg / 0.44 LBS
198 g / 1.9 N
 1.19 kg / 2.62 LBS
~0 Gs
50 mm 0.07 kg / 0.15 LBS
274 Gs
0.01 kg / 0.02 LBS
10 g / 0.1 N
 0.06 kg / 0.14 LBS
~0 Gs
60 mm 0.03 kg / 0.08 LBS
192 Gs
0.01 kg / 0.01 LBS
5 g / 0.1 N
 0.03 kg / 0.07 LBS
~0 Gs
70 mm 0.02 kg / 0.04 LBS
140 Gs
0.00 kg / 0.01 LBS
3 g / 0.0 N
 0.02 kg / 0.04 LBS
~0 Gs
80 mm 0.01 kg / 0.02 LBS
104 Gs
0.00 kg / 0.00 LBS
2 g / 0.0 N
 0.01 kg / 0.02 LBS
~0 Gs
90 mm 0.01 kg / 0.01 LBS
80 Gs
0.00 kg / 0.00 LBS
1 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
100 mm 0.00 kg / 0.01 LBS
62 Gs
0.00 kg / 0.00 LBS
1 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
Two magnetic products attract each other from a significantly greater distance than a magnet and sheet setup. Such a system of magnet-to-magnet creates a more powerful interaction and a wider radius of performance. Want to build a solid fastener? Use a pair of magnets instead of a neodymium and a steel. Be careful that when connecting a pair of magnets, the impact force is massive. The repulsion force is slightly lower than the connection force, but still significant.
*Field value between like poles reaches ~0 Gs in the exact middle of the gap (resulting from vector opposition).
* Figures refer to friction force of a pair of matching neodymium magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Protective zones (electronics) - warnings
MPL 60x10x5 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 10.5 cm
Hearing aid 10 Gs (1.0 mT) 8.0 cm
Mechanical watch 20 Gs (2.0 mT) 6.0 cm
Phone / Smartphone 40 Gs (4.0 mT) 4.5 cm
Car key 50 Gs (5.0 mT) 4.5 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm
A strong magnetic field is a large risk to electronics as well as medical implants. These NdFeB products generate a flux that destroys function of digital equipment. Notice: the unseen radiation acts through matter and housings. Special caution must be taken by people with cochlear implants and drug dispensers. Also at risk are: automatic timepieces, remotes, speakers, and displays. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Dynamics (cracking risk) - collision effects
MPL 60x10x5 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 29.29 km/h
(8.14 m/s)
 0.74 J
30 mm 49.65 km/h
(13.79 m/s)
 2.14 J
50 mm 64.07 km/h
(17.80 m/s)
 3.56 J
100 mm 90.60 km/h
(25.17 m/s)
 7.13 J
Magnetic elements are very brittle – a collision with steel risks their cracking. Watch the impact speed – a neodymium left loose becomes dangerous. Impact energy can trigger coating fragments or dangerous crushing to skin. Be sure to control the product during installation so it doesn't hit violently against the metal. A collision at high speed means shattering of the magnet. Wear eye protection when handling with powerful specimens.

Table 9: Coating parameters (durability)
MPL 60x10x5 / 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. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Construction data (Flux)
MPL 60x10x5 / N38

Parameter Value SI Unit / Description
Magnetic Flux 14 969 Mx 149.7 µWb
Pc Coefficient 0.26 Low (Flat)
Total magnetic flux emitted by the magnet pole. Key data in coil applications as well as sensors. The Pc coefficient determines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MPL 60x10x5 / N38

Environment Effective steel pull Effect
Air (land) 18.16 kg Standard
Water (riverbed) 20.79 kg
(+2.63 kg buoyancy gain)
+14.5%
Rust risk: 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. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.
1. Vertical hold

*Caution: On a vertical surface, the magnet retains only ~20% of its max power.

2. Efficiency vs thickness

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

3. Temperature resistance

*For N38 material, the critical limit is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.26

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.

Engineering data and GPSR
Material specification
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%
Sustainability
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: 020474-2026
Measurement Calculator
Force (pull)
Magnetic Field
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This product is a very powerful plate magnet made of NdFeB material, which, with dimensions of 60x10x5 mm and a weight of 22.5 g, guarantees premium class connection. As a block magnet with high power (approx. 18.16 kg), this product is available off-the-shelf from our warehouse in Poland. Furthermore, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, giving it an aesthetic appearance.
Separating strong flat magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. Watch your fingers! Magnets with a force of 18.16 kg can pinch very hard and cause hematomas. 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. Thanks to the flat surface and high force (approx. 18.16 kg), they are ideal as hidden locks in furniture making and mounting elements in automation. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.
For mounting flat magnets MPL 60x10x5 / N38, we recommend utilizing strong epoxy glues (e.g., UHU Endfest, Distal), which ensure a durable bond with metal or plastic. For lighter applications or mounting on smooth surfaces, branded foam tape (e.g., 3M VHB) will work, provided the surface is perfectly degreased. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).
The magnetic axis runs through the shortest dimension, which is typical for gripper magnets. In practice, this means that this magnet has the greatest attraction force on its main planes (60x10 mm), which is ideal for flat mounting. This is the most popular configuration for block magnets used in separators and holders.
The presented product is a neodymium magnet with precisely defined parameters: 60 mm (length), 10 mm (width), and 5 mm (thickness). The key parameter here is the lifting capacity amounting to approximately 18.16 kg (force ~178.10 N), which, with such a compact shape, proves the high grade of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Advantages and disadvantages of Nd2Fe14B magnets.

Strengths

In addition to their long-term stability, neodymium magnets provide the following advantages:
  • Their magnetic field is maintained, and after around ten years it decreases only by ~1% (according to research),
  • They possess excellent resistance to magnetism drop when exposed to opposing magnetic fields,
  • By applying a decorative coating of silver, the element gains an proper look,
  • Magnetic induction on the surface of the magnet is maximum,
  • 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...
  • Thanks to modularity in constructing and the ability to adapt to unusual requirements,
  • Huge importance in modern technologies – they serve a role in hard drives, electromotive mechanisms, medical devices, as well as multitasking production systems.
  • Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Weaknesses

Drawbacks and weaknesses of neodymium magnets: tips and applications.
  • At strong impacts they can break, therefore we advise placing them in steel cases. A metal housing provides additional protection against damage and increases the magnet's durability.
  • Neodymium magnets lose their force under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 230°C
  • Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material immune to moisture, in case of application outdoors
  • Due to limitations in realizing threads and complicated shapes in magnets, we recommend using a housing - magnetic mechanism.
  • Possible danger resulting from small fragments of magnets pose a threat, when accidentally swallowed, which becomes key in the context of child safety. Furthermore, small components of these products can complicate diagnosis medical in case of swallowing.
  • High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which can limit application in large quantities

Pull force analysis

Maximum lifting force for a neodymium magnet – what contributes to it?

The lifting capacity listed is a measurement result conducted under specific, ideal conditions:
  • using a plate made of mild steel, acting as a circuit closing element
  • whose thickness is min. 10 mm
  • with a surface cleaned and smooth
  • under conditions of ideal adhesion (surface-to-surface)
  • under vertical force vector (90-degree angle)
  • at temperature room level

What influences lifting capacity in practice

In real-world applications, the actual holding force depends on several key aspects, presented from crucial:
  • Gap between surfaces – every millimeter of separation (caused e.g. by veneer or unevenness) diminishes the magnet efficiency, often by half at just 0.5 mm.
  • Loading method – catalog parameter refers to detachment vertically. When attempting to slide, the magnet exhibits much less (often approx. 20-30% of nominal force).
  • Plate thickness – insufficiently thick steel does not accept the full field, causing part of the flux to be lost to the other side.
  • Steel type – mild steel gives the best results. Higher carbon content decrease magnetic permeability and holding force.
  • Surface finish – full contact is possible only on smooth steel. Any scratches and bumps create air cushions, weakening the magnet.
  • Operating temperature – neodymium magnets have a sensitivity to temperature. When it is hot they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Lifting capacity testing was carried out on a smooth plate of suitable thickness, under a perpendicular pulling force, however under attempts to slide the magnet the load capacity is reduced by as much as fivefold. Additionally, even a minimal clearance between the magnet and the plate decreases the holding force.

Safety rules for work with NdFeB magnets
Do not overheat magnets

Regular neodymium magnets (grade N) lose power when the temperature surpasses 80°C. The loss of strength is permanent.

Precision electronics

An intense magnetic field disrupts the functioning of magnetometers in smartphones and navigation systems. Maintain magnets close to a smartphone to avoid damaging the sensors.

Caution required

Handle magnets consciously. Their immense force can shock even professionals. Be vigilant and do not underestimate their force.

Electronic devices

Do not bring magnets close to a wallet, computer, or TV. The magnetism can destroy these devices and erase data from cards.

Crushing risk

Risk of injury: The pulling power is so great that it can cause hematomas, crushing, and even bone fractures. Protective gloves are recommended.

Implant safety

Health Alert: Strong magnets can deactivate heart devices and defibrillators. Stay away if you have medical devices.

Beware of splinters

Neodymium magnets are sintered ceramics, meaning they are prone to chipping. Clashing of two magnets leads to them breaking into small pieces.

Dust explosion hazard

Fire hazard: Rare earth powder is explosive. Avoid machining magnets in home conditions as this risks ignition.

This is not a toy

Product intended for adults. Tiny parts can be swallowed, leading to serious injuries. Store away from children and animals.

Warning for allergy sufferers

Some people suffer from a sensitization to Ni, which is the standard coating for neodymium magnets. Extended handling can result in skin redness. We strongly advise use safety gloves.

Attention! More info about hazards in the article: Safety of working with magnets.