The Otis Armorers Pistol Tool 4-in-1 is a versatile maintenance tool designed for semi-auto pistols like Glock Sig Sauer S&W Ruger Taurus FNH and H&K. It features a 3/32" pin punch 3/16" nut driver brass scraper and nylon end brush with built-in storage for additional tools. Its textured body ensures a secure grip making disassembly and maintenance effortless. Compact enough for your pocket or range bag.