The Primefit AT1003 Air Hammer and Chisel features 5,000 blows-per-minute, making this tool ideal for removing or shearing stubborn bolts, cutting sheet metal and small demolition projects of concrete, stone or other materials. Includes (3) 0.401 Parker type chisel bits and bit retainer spring. The air hammer with 1-5/8-inch stroke has a 20-percent duty cycle with 4.0-SCFM delivered at 90-PSI. The Primefit AT1003 Air Hammer and Chisel comes with a 1-year limited warranty. Primefit Inc. and its affiliated companies have been one of the leading global manufacturers of Pneumatic Tools, Air Accessories and Air Hoses since 1976. Primefit produces a broad range of industry leading products serving the Consumer, Automotive, Commercial and Jobsite pneumatic markets.