With the Power Wing Nut Driver Set, you can tackle any project that requires tightening or loosening nuts with precision. The specially designed wing nut driver ensures a secure grip, preventing slippage and enabling efficient work. Material: CR-V SteelProduct length:About 66MMHexagonal shank diameter:About 1/4 (6.35MM)Sleeve outer diameter:About 18MMSleeve inner diameter:About 12MMSleeve slot width:About 4MMProduct weight:About 0.04KGFit: A perfect tool that works with any power drill (1/4 inch hex shank or any three jaw chuck) Package Includes:1Pc * Wing Nut Drill Bit Notes1.Please allow slight size errors due to manual measurement.2.Due to differences in monitors and lighting, the pictures may not show the actual color of the item.