IngersollIMPACT WRENCH, AIR, 1/2 DRIVE; Product Range:-; Air Consumption:4.5cu.ft/min; Air Coupling Size:1/4; Air Coupling Type:NPTF; No Load Speed:9500rpm; Sound Level Max:94.3dB; Thread Size:1/4 NPTF; Torque Max:816N-m; Vibration:4.6m/s²; Weight:1.9kg