The Marson HP-2 is the #1 selling hand rivet tool within the industry. Known and relied on for sturdiness, quality and performance, the HP-2 is frequently copied but never duplicated. Its square shoulder fulcrum pin of cold-formed heat-treated steel prevents pin rotation that may elongate the engaging holes and lead to premature tool failure in imitation tools. Other quality features come with: precision die-cast, high-strength aluminum alloy body; drop-forged carbon steel upper deal with; and thick, cushion molded vinyl grips for comfort. Sets as much as 3/16″ steel rivets and comes with four mounted nosepieces in sizes: 3/32″, 1/8″, 5/32″, and 3/16″.