• Most powerful CP Hammer for automotive, truck, off-road equipment use.• .498" diameter chisel shank to handle the wxtra power.• Positive action trigger for precise speed control.• Applications: front end work, king pin removal, and installation of bulldozer walking beam bushings, removal of truck anchor springs, heavy-duty spring bushings.• 1800 blows per minute.Specifications:Shank openting: .498"Weight: 4-¾ lbs.Bore Dia: ¾"Piston Stroke: 2 11/16"Avg. Air Consumption: 3 CFMAir Inlet NPTF in.: ¼Min. Hose Size: 3/8"Sound dBA Pressure: 95Vibration: 1 m/s²Blows per Min. @ 90 PSI: 1800