Product Description: Material: N52 Model: D12*16 Size: 12*10*16*4.2mm Working temperature: 80 Package Includes: 12 * Metal Magnetic Pens Description: Excellent magnetism - each magnet holds up to 20 A4 sheets of paper, photos, notes, etc; ATTENTION: These magnets are NOT suitable for glass magnetic boards or glass magnetic boards Premium quality - the surface of the magnets has a triple coating: nickel-copper-nickel. This protects the magnets from corrosion and significantly increases their durability. The final layer of nickel provides a smooth surface that wont scratch anything. Very convenient to use - they have a nice and easy-to-grip shape, much easier to separate than round magnets. Wide range of applications: you can choose between countless ways to combine these magnets. Like pinning paper to the fridge or whiteboard, hanging family photos, and making models. Let your imagination run wild, the magnets can help you with many things Warning - choking hazard due to small parts. Keep PATIENTS WITH PACEMAKERS OR DEFIBRILLATORS away from these magnets