R636 Neodymium Ring Magnet, 3/8″ od x 3/16″ id x 3/8″ 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 3/8″ od x 3/16″ id x 3/8″ thick, magnetized Through Thickness. Its individual pull force is approximately 6.2lbs.