Unique tool for Rivets, Nut Rivets and Bolt Rivets Handles up to 12mm Nut Rivets Extendable arms for extra leverage Handles: Stainless Steel rivets: 32, 4, 48, 64mm, nut rivets: 4, 5, 6, 8, 10, 12mm, bolt rivets: 4, 5, 6, 8mm Not suitable for M12 Stainless Steel RivNuts Extendable arms for extra leverage 14 Heads