This kit comes with 5 tools in a roll up pouch. Each tool is spring loaded generating over 5000psi. Optimal because of its wide variety of uses on M16 / M4 / AR-15 / M249 firearms, other rifle and pistol brands such as: Glock, Sig Sauer, Springfield, Beretta, Springfield, S&W (Smith and Wesson), Colt, Ruger, FN, H&K (Heckler and Koch), Kimber, Browning and more. Installing, cleaning, preventative maintenance, light weight, black oxide and heat treated. The 1st tool is the AR Takedown Tool, 2nd is the 1/8” Roll pin starter with ‘AK’ tool (5/32" steel pin, 1-3/8" long), 3rd is the 5/64" steel Roll pin punch 7/8" long with 5/64" roll pin starter, 4th is a 3/32" brass punch 1-3/8" long with Brass Hammer, 5th is the 1/16" steel punch 1-3/8" long with Nylon Hammer. The roll pin starter is for Gas block, bolt release and trigger guard pins… The Brass and steel punch are for smaller pin assembly and disassembly, including taking apart pistol uppers and