5/16-Inch Keystone Tip Screwdriver, 6-Inch Heavy Duty Round Shank with Cushion Grip Handle Klein Tools 602-6 N/A Made in USA Built to handle the tough jobs with ease Hex bolster reinforces shank for hard use and allows wrench assisted turning Cushion-Grip handle for greater torque and comfort Premium chrome-plated for smooth feel and corrosion resistance Internal flanges inside handle provide solid, twist-resistant blade anchor Overall length: 10-15/16-Inch, shank length: 6-Inch, shank tip width: 5/16-Inch Built to handle the tough jobs with ease Hex bolster reinforces shank for hard use and allows wrench assisted turning 5/16-Inch keystone-tip screwdriver Klein offers a lifetime warranty on material defects and workmanship for the normal life of the product