4" Dia x 0.5" Thick, (2" hole) NdFeB Ring Magnet, highest grade available, Ni-Cu-Ni Plated with Matte finish, Axially Magnetized (the top & bottom flat faces are the north & south poles). Theoretical maximum pull: 155 pounds.
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4" Dia x 0.5" Thick, (2" hole) NdFeB Ring Magnet, highest grade available, Ni-Cu-Ni Plated with Matte finish, Axially Magnetized (the top & bottom flat faces are the north & south poles). Theoretical maximum pull: 155 pounds.
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