5pcs D4x20mm N42 Neodymium Magnets Rare Earth Strong Magnetic Toys

5pcs D4x20mm N42 Neodymium Magnets Rare Earth Strong Magnet Feature: Super Strong Rare Earth Magnet - once they get stuck with each other, they are hard to break apart; Easy fragile,so plesae use it carefully. Can also be used to extend protected lithium batteries with recessed contact points. Electrically conductive (making them suitable to extend recessed batteries). Perfect for sticking notes on fridge doors. Ideal for DIY projects,whiteboard fixing,adsorption of various steel parts,fixing tissue box on the roof,etc Cause the big super magnetic,don't let the kid touch it. WARNING: We would not recommend this magnet be used by children under 8 without supervision. Description: Color: New As Picture Quantity: 5 PCS Size: 4mm Diameter x 20mm Thick Grade: N35 For Craft Models Job Lot Package include: 5x4*20mm Magnet 5pcs D4x20mm N42 Neodymium Magnets Rare Earth Strong Magnet Feature: Super Strong Rare Earth Magnet - once they get stuck with each other, they are hard to break apart; Easy fragile,so plesae use it carefully. Can also be used to extend protected lithium batteries with recessed contact points. Electrically conductive (making them suitable to extend recessed batteries). Perfect for sticking notes on fridge doors. Ideal for DIY projects,whiteboard fixing,adsorption of various steel parts,fixing tissue box on the roof,etc Cause the big super magnetic,don't let the kid touch it. Description: Color: New As Picture Quantity: 5 PCS Size: 4mm Diameter x 20mm Thick Grade: N35 For Craft Models Job Lot Package include: 5x4*20mm Magnet