Specialized, precise-fitment armorer's crowfoot wrench, fits 1/2" receiver torque wrench head – Purposefully designed, 2-sided to fit both 20-hole and 4-hole free-float barrel nuts – Titanium coated stainless steel to confidently apply desired torque while minimizing marring on gun parts – Tight tolerances for solid grip and no-slip tool control. Mfg: Real Avid
