M7-SC0517C | M7 5pc Air Hammer Kit w/ Round Shank Chisel Set 175mm SPECIFICATIONS Shank Type: Round Shank Size: 10.2mm (0.401 ) Blows Per Minute: 3200BPM Air Requirements: 4 CFM / 90 PSI Inlet: 1/4 Overall Length: 175mm Net Weight: 1.7kg Sound Pressure: 98 dBA Vibration Level: 12.3m/s² Content 1pc Air hammer (M7-SC211C). 5pcs Chisel kit. 1pc Spring retainer. Blow Mould Case