Hitachi 724891 Spline 3/4-Inch Hex 21/32-Inch Ground Rod Driver 10-1/4-inch total length Measures 1-1/2-inch by 7/8-inch Withstands chemical and water corrosion and will not rust or chip Rigorously tested for both performance and durability Comes with a 30-day limited warranty Well-built with a simple design Made of carbon hardened steel High tolerance milled shank Features a 3/4-Inch hex Comes with a 30-day limited warranty