The Wheeler engineering Delta Series AR-15 Multi-Tool will accomplish almost all of your AR-15 service needs. The tool is stamped steel with hardened plates laminated together for strength and light weight. The tool features hardened steel pins for removing and installing barrel nuts or free float tubes, with a 1/2" drive cut-out for using a torque wrench. The tool also features a notch for installing flash hiders, and fixed stock buffer tubes. The tool also has a carbine buffer tube nut wrench that has three points of contact, offering more strength than other tools with one pin. The side of the wrench has a built-in bit driver and 6 common bits in a convenient, attached bit holder. The beam style torque wrench allows you to install the barrel nut with the proper amount of torque to ensure reliability of your rifle.