, 5 Piece, Insert Nut Driver Set, Engineered For Extreme Durability, Made From Proprietary Steel & Heat Treated To Control Hardness, Feature An Innovatively Designed nonrepresentational Shock Absorption Zone To Extend Life, The Forged Tip Allows For A fortified Grip & Maximum Contact Eliminating Stripping Or Slipping, Color Coded Band For Easy Size Identification, Set Includes 1/4 '', 5/16 '', 3/8 '', 7/16 '' & 1/2 '' Insert magnetized Nut Drivers.