Brand Name : FreshAirComposite : Rare Earth MagnetShape : BlockModel Number : 40x40x20Type : Permanentis_customized : Yesstart21530084397796Super Powerful Strong Rare Earth Block NdFeB US $19.992PCS Super Powerful Strong Rare Earth Block NUS $29.99Super Powerful Strong Rare Earth block hole US $35.9910pcs Super Powerful Strong Bulk Small Round US $28.9010pcs Super Powerful Strong Bulk Small Round US $9.992pcs Super Powerful Strong Bulk Small Round NUS $15.99200pcs Super Powerful Strong Bulk Small RoundUS $8.501000pcs Super Powerful Strong Bulk Small RounUS $16.56500pcs Super Powerful Strong Bulk Small RoundUS $16.921000pcs Super Powerful Strong Bulk Small RounUS $45.99 end21530084397796 Super Powerful Strong Rare Earth Block NdFeB Magnet Neodymium N52 Magnets F40*40*20mm- Feature:Name: Super strong neo neodymium disc magnets N52 Condition:100% Brand new and high quality Rade:N52 Operating temperature: Maximum 80 ° C Application:Perfect for sticking notes and doing it yourself diy projects Magnetizing direction: N-S-pole in the two largest surface Ages:7+ ages， both for kids and adults. Size:40mm x40mm x 20mm (1mm = 0.03937 inch) Package Content:1pcs Block NdFeB Magnet Neodymium Magnets F40*40*20mmDescription