1/2" (- 3/16" hole)

This neodymium countersunk magnet is made of super strong N42 NdFeB (NIB) material, coated with Nickel (Ni+Cu+Ni triple layers). The dimension of this Small neodymium magnet is 1/2″ x 1/2″ x 1/2″ (- 3/16″ hole), magnetized Through Thickness. Its individual pull force is approximately 16.5lbs.