The Klein Tools 602-10 Keystone Screwdriver has a 3/8-inch tip and 10-inch round shank. Built to handle tough jobs with ease, the hex bolster reinforces the shank for hard use and allows wrench assisted turning. Klein's exclusive Cushion-Grip™ handle offers greater torque and outstanding comfort. The patented Tip-Ident® quickly identifies the type of screwdriver and screwdriver tip orientation. It is premium chrome plated for smooth feel and corrosion resistance.