Leapers TL-ARWR02 UTG Mini AR15 Armorer's Wrench AR Tool Installs and Removes Standard A2 Flash Hider. UTG Mini AR15 Armorer's Wrench Will also remove Delta Ring Barrel Nut Assembly, Rifle Length Buffer Tube, Carbine Buffer Tube Castle Nut, and More. AR-15 wrench is equipped with Dual 1/2" & 3/8" Torque Wrench Socket Adaptors for Quick Compatibility with Common Shop Torque Wrenches. Includes a 3/4", 7/8", and 3-Prong Wrench Slot for Installation and Removal of Most Muzzle Devices and 3 Prong Flash Hiders. Includes a 5/8" Wrench Slot and Flathead Screw Driver for Installation and Removal of Rifle Length Buffer Tubes and Fixed A2 Stocks, as well as, a castle and jam nut wrench. Steel Construction with Wear Resistant Finish for Long Lasting Durability. Length 6.38" Long. Leapers UTG One year limited warranty.