R828DIA Neodymium Ring Magnet, 1/2″ od x 1/8″ id x 1/2″ 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 Small neodymium magnet is 1/2″ od x 1/8″ id x 1/2″ thick, magnetized Diametrical. Its individual pull force is approximately 9.77lbs.