Hitachi 728542 1/2 by 1-1/8-Inch Standard Length Drive (Discontinued by the Manufacturer) Measures 1-1/8-inches wide by 1-1/2-inches long and a straight shape Constructed of alloy steel which allows up to 20-percent more torque Thin wall design increases access to tight areas Works in nearly all drills, impact drivers and wrenches Comes with a 30-day limited warranty Well-built with a high quality design Overall drilling depth of 1-1/2-Inch 1/2-Inch square female drive will not slip or break Type 2-shape is perfect for driving projects and has a 1-1/8-Inch diameter Comes with a 30-day limited warranty