Product Description: 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. 4 interchangeable nose pieces: 2.4mm(3/32″), 3.2mm(1/8″), 4.0mm(5/32″), 4.8mm(3/16″).