The Real Avid MasterFit 13-Piece Crowfoot Wrench Set in Gray and Red is a precision tool kit tailored for AR platform enthusiasts. Designed with titanium-coated stainless steel these wrenches ensure a snug fit and reliable grip on A2 barrel nuts buttstocks muzzle devices and castle nuts. The heavy-duty torque wrench handle enhances the set's durability making it ideal for serious DIY gun builders. Elevate your craftsmanship with unmatched accuracy and master-grade performance.