1/8" od

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 Micro neodymium magnet is 1/8″ od x 1/16″ id x 1/16″ thick, magnetized Through Thickness. Its individual pull force is approximately 0.36lbs.