CH-30-RD CLECO Chipping Hammer, CH30 Series . Cleco CH30 Series Chipping Hammer is heavy duty and designed for rugged use. Cleco CH30 Series Chipping Hammer features a ring valve hard hitting hammer, a forges steel hammer, and a replaceable bushing. Cleco CH30 Series Chipping Hammer also features a heat treated cylinder and piston for reduced wear. Cleco percussion tools offer durable options for a wide variety of industries. These percussion tools are made from the finest materials available, and they are manufactured to last. Choose between piston, chisel and needle type percussion tools. Bore: 1.125” Abrasive Capacity: .680” Round Shank Stroke: 2.5” Type Housing: Aluminum Blows Per Minute: 2,200 Weight: 15.0lbs / 6.80kg Overall Length: 17.7” / 450mm Air Inlet Size: 3/8”