1-3/4" Stroke "D" Handle Chipping Hammer. Uses hex shank chipper steel. Cast "D" handle provides longer life for a mini-chipper. Ideal for tough rental applicatons. Comes with 3/8" reducer bushing to convert from 7/8" x 24 thread swivels or (L-5) 3/8" NPT threaded swivels. Please specify .580 hex or .680 round shank.