neocube magnetic cube NdFeB Permanent Magnet 3/4" x 1/2" x 1/16" thickTolerances±0.004" x ±0.004" x ±0.004"MaterialNdFeB, Grade N42Plating/CoatingNi-Cu-Ni (Nickel)Magnetization DirectionThru ThicknessWeight 0.102 oz. (2.88 g)Pull Force, Case 1 4.53 lbsPull Force, Case 2 29.70 lbsSurface Field 1237 GaussMax Operating Temp176ºF (80ºC)Brmax13,200 GaussBHmax42 MGOeKey AdvantagesNeodymium magnets are ...