square large size magnet strong magnetic strip strong magnet toy magnetic rectangular ferrite magnet magnetic suction

1 one pack 3 one pack

[length 40x width 25x thickness mm]] [length 50x width 50x thickness mm]] [length 85x width 65x thickness mm]] [strip 100x10x4.8mm]] [length 100x width 20x thickness mm]] [strip 100x50x9.8mm]] [length 100x width 50x thickness mm]] [strip 150x15x7.8mm]] [strip 150x25x19.8mm]] [150x100x24.8mm long]]