Specification High-leverage chrome molybdenum handles for more power and easier operation Precision die-cast aluminum alloy frame constructed with extra hardened steel for longer tool life Extended riveter nose design for reaching confined spaces Full cushion grips provide optimum comfort in use Interchangeable nose pieces: 2.4mm(3/32"), 3.2mm(1/8"), 4.0mm(5/32"), 4.8mm(3/16")