A rugged and reliable tool to meet most of your AR-15 servicing needs. Constructed of innovative layers and laminated stamped steel, it’s one of the strongest AR-maintenance tools you can buy. This construction method allows the use of hardened-steel barrel-nut pins capable of standing up to heavy amounts of torque. The 1/2" cutout accommodates a torque wrench or ratchet driver. Profiles for a buffer-tube lock nut and flash hider are included. Tool includes a bit driver, bit holder and six bits commonly used to service AR rifles. Available: Delta Wrench, Delta Wrench Combo (includes torque wrench).