Upgraded tools for upgrading your guns. This 13-piece Wrench Set includes 12 specialized crowfoot builder wrenches that fit the most common AR-15 assembly nut sizes, as well as a heavy-duty 1/2" torque wrench. The wrench is made from titanium-coated steel. 12 specialized crowfoot builder wrenches that fit most AR-15 assembly nut sizes Heavy-duty 1/2" torque wrench Wrench is titanium-coated stainless steel Comes in a storage case Order today!