3.this wrench is made of 4140 powder coated steel.
4.It has a length of 11.75 inches and weighs about 20 ounces.
5.This single wrench features a barrel nut, torque/tension wrench, compensator, buttstock tube, and castle nut. Easily remove and install Ar-15 barrels and make other modifications. It is a must have for your rifle.