Zip Gun Hammer, Manufacturer suggested retail price. $1091.42 Features and Benefits: Most powerful CP Hammer for automotive, truck, off-road equipment use .498" diameter chisel shank to handle the extra power Positive action trigger for precise speed control Applications: front end work, king pin removal, removal and installation of bulldozer walking beam bushings, removal of truck anchor springs, heavy-duty spring bushings. 1800 blows per minute LENGTH WIDTH HEIGHT WEIGHT 9.75 7.5 2.75 5.2 Manufacturer: Chicago Pneumatic 1 yr warranty on material and workmanship