3/4" Ground Rod Driver 3/4" Hex x 21/32" Round Spline Shank

Chisel for Spline Tool, Chisel Type Pin/Spike Driver, Shank Type – Machining Hex, Shank Diameter 21/32 in, Shank Hex Size 3/4 in, Shank Length 3/4 in, Measurement System Fractional Inch, Head Width 3/4 in, Chisel Collar Shape Round, For Tool Type Rotary Hammer, Maximum Drilling Depth 6 in