Specialized AR-15 Combo Wrench is the only tool you need for proper cleaning and disassembly of your semiauto 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.