D12 * 4mm-4mm Circular NdFeB Magnets w/ Sink Hole - Silver (5PCS)

Application:
Office, pins, paper clips adsorption
Door, screen window, keys, coins adsorption
Advertising, calligraphy and painting, drawing, photographs, drawings and other board fixation
Salvage, schools baths, water heater, magnetized water and oil filter
Bags, photo frame, carving, magic, scientific experiment, industrial toys, homemade refrigerators, gift packing box
Forbid use it in electricity meter, water meter, gas meter and partial covered license plate such illegal events
Attention:
1. Be careful operation when magnets adsorb or detach with each other or with other iron devices, otherwise it will cause damage on them or hurt fingers
2. NdFeB magnet is hard, crisp and with strong field-strength, so it needs to be placed lightly. Do not make the big thin slice magnets absorb each other.
3. It is suggested that horizontally place and stagger these magnets to avoid damage
4. Keep it away from monitor, bank card, computer, TV, mobile phone etc.