ITEM NAME:Magnet Diameter x 75Mm Thick x 18Mm Holding Pull Force 168 Kilograms N35 Ne X2L5 Magnet Diameter x 75Mm Thick x 18Mm Holding Pull Force 168 Kilograms N35 Ne X2L5 Super strong neodymium magnet raises it's pulling force to 440LBS(200KG)in Perfect