Specialized AR-15 Combo Wrench is the only tool you need for proper cleaning and disassembly of your semi-auto rifle. Combines several key functions into one handy tool you’ll use again and again. Gray, textured hard-coat finish 1/2″ square drive for use with torque wrench Removes and installs all AR-15 / M16 barrels, A1 and A2 flash suppressors, compensators, free-float tubes and extension tubes. Measures approx. 12 x 2″ h. Weighs approx. 21 ozs.