The Speedway Air Hammer was designed to give the user the ability to quickly finish a job. This air hammer features a free speed of 4500 RPMs, an average air consumption of 4 SCFM, an air inlet of ¼ inch and an air pressure of 90 PSI. The 1 11/16 inch barrel stroke and a ¾ chisel shank allow for a fast completion of any job. This product is also GS/CE certified.