5/16" thick

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 Tiny neodymium magnet is 5/16″ x 5/16″ x 5/16″ thick, magnetized Through Thickness. Its individual pull force is approximately 6.7lbs.