These great magnets are coated with a durable layer of plastic. The 1″ x 1/2″ x 1/4″ dimensions are the finished dimensions of the plastic coating. These blocks can be slammed together many times without damage. They won’t mark or scratch surfaces they come in contact with. They are also completely waterproof and weatherproof. Please note: Slight color variation may occur from order to order.
Dimensions: 1″ x 1/2″ x 1/4″ thick
Tolerances: ±0.004″ x ±0.004″ x ±0.004″
Material: NdFeB, Grade N42
Plating/Coating: Ni-Cu-Ni-Black Plastic
Magnetization Direction: Thru Thickness
Weight: 0.381 oz. (10.8 g)
Pull Force, Case 1: 8.26 lbs
Pull Force, Case 2: 17.62 lbs
Surface Field: 3723 Gauss
Max Operating Temp: 176ºF (80ºC)
Brmax: 13,200 Gauss
BHmax: 42 MGOe
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