The UTG Armorer's Combo Wrench is a durable steel tool designed for AR15 and AR308 platforms featuring a super slim free float barrel nut wrench 3/4" 7/8" 5/8" and 3-prong wrench slots a flathead screwdriver and compatibility with 1/2" torque wrenches. At 12.3" long and weighing 17.5 oz it offers versatility for installing and removing parts with precision.