M7-SC211C | M7 Air Hammer w/ 5pc Round Shank Chisel Set 175mm FEATURES Comes with 5 pce chisel kit 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