NQ01.301354 Neodymium magnetic screw-on block Neodymium magnet with 30 mm length, 13 mm width, 5 mm thickness and countersunk hole of 4 mm. This magnet is N35 nickel coated with axial magnetization. This magnet is sold half with south and half with north polarity. The pulling force is 5,60 Kg . Max temperature 80° C