KeyBar Medium Magnut

1.5" overall. Set includes two MagNuts (left and right) each with 0.5" diameter split ring. 0.25" x 0.25" rare earth Neodymium Iron Boron magnetic cylinder insert, which has a pull force of 6.5lb(s). For use with KeyBar. Manufacturer's Warning: Caution: Do not wear with pacemaker. Bulk packed.