The most comprehensive all-in-one AR-15 Armorers Torque Wrench Kit ever assembled. Master-Fit single-purpose crowfoot wrenches are made specifically for the job. Specialized for precise fitment and manipulation of MIL-SPEC and free-float barrel nuts, muzzle devices and castle nuts. Titanium coated stainless steel construction provides tight tolerances for solid nut-gripping strength and enhanced no-slip tool control. Paired with the heavy-duty Master-Fit Torque Wrench, it takes Gun DIY building to a new level of Master Grade quality and precision. Its time to raise your Gun Tool Expectations and upgrade to Master Grade! Specifications for Real Avid Master-Fit AR-15 Crowfoot Wrench Set: Manufacturer: Real Avid Fabric/Material: Stainless Steel Color: Gray Finish: Titanium Gun Model: AR-15 Length: 20.2 in Condition: New Width: 8.5 in Features of Real Avid Master-Fit AR-15 Crowfoot Wrench Set Heavy-duty armorers torque wrench, features 10-150ft-lb range Allows for optimal placement and leverage positions Dual directional torque feature allows wrench to set torque on reverse threads as well Comprehensive set of crowfoot wrenches, with specialized, precise-fitment 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 Package Contents: Real Avid Master-Fit AR-15 Crowfoot Wrench Set Armorers 1/2in drive ratcheting torque wrench 10 150 ft-lb range 45 ratcheting teeth clicks every 8 degrees 12 crowfoot wrenches titunum coated stainless steel Delta-Ring Barrel Nut Wrench: fits mil-spec delta ring barrel nuts Free-Float Barrel Nut Wrench: 2-sided fits 20-hole and 4-hole free-float barrel nuts Extended & Standard Castle Nut Wrench: 2-sided fits buffer tube extended and standard barrel nuts Thin Castle Nut Wrench: fits pistol buffer tube castle nuts 2in Spanner Wrench: fits free float barrel nut locking rings 3 Prong Flash Hider Wrench: fits 3-prong flash hider muzzle devices 5/8in Muzzle Device / A2 Buttstock Extension Tube Wrench: fits 5/8in A2 fixed stock receiver extension and 5/8in muzzle devices 3/4in Muzzle Device Wrench: fits 3/4in muzzle devices 1-1/8in Free-Float Barrel Nut Wrench: fits 1-1/8in free-float barrel nuts 30mm Free-Float Barrel Nut Wrench: fits 30mm free-float barrel nuts 1-1/4in Free-Float Barrel Nut Wrench: fits 1-1/4in free-float barrel nuts 1-5/16in Free-Float Barrel Nut Wrench: fits 1-5/16in free-float barrel nuts 1-1/16in Free-Float Barrel Nut Wrench: fits 1-1/16in free-float barrel nuts Which weapon models is Real Avid Master-Fit AR-15 Crowfoot Wrench Set compatible with? Real Avid Master-Fit AR-15 Crowfoot Wrench Set is compatible with AR-15