Product Description AIR HAMMER KIT These trade quality air tools feature an a lloyed steel barrel and heat treated piston with b uilt in power regulator and trigger control. Ergonomic design with soft rubber grip makes the tool more comfortable for longer use and comes complete with a 5 piece chisel set. Specifications Blows Per Minute: 3,000 BPM Stroke Length: 66mm Bore Diameter: 19.05mm Chisel Shank: 10.2mm Average Air Consumption: 155 L/min Overall Length: 260mm Air Inlet: 1/4″ Weight: 2.2kg