Shockwave, 3 Piece, 1/4" Hex Shank Socket Adapter Set, Engineered For Extreme Durability, Made From Proprietary Steel & Heat Treated To Control Hardness, Feature An Innovatively Designed Geometric Shock Absorption Zone To Extend Life, The Forged Tip Allows For A Secure Grip & Maximum Contact Eliminating Stripping Or Slipping, Set Includes 1/2", 1/4" & 3/8" Square Adapters.