Digger, 7/8 x 3-1/4" Hex Shank, 1850 BPM, 4" Stroke Length, 1.69" Bore. The 95 Series diggers are meant for heavy duty work, from foundation work, to piping, to break demolition. With a 4 inch piston stroke, and a steel cone, these diggers will not let you down. Weight: With a die cast aluminum handle and housing, the 95 Series is as lightweight (weighing 28 lbs.) as it is powerful, making hard work easy. Durability: Built with premium materials, the 95 Series can withstand harsh conditions and repeated drops without affecting its performance. Reliability: The 95 Series is equipped with rubber buffer retainers to absorb shock and prolong the life of your tool.