Impact Wrench, CPT894, 1 in. Drive Heavy Duty Square Impact Wrench, Manufacturer suggested retail price. $1613.84 Features and Benefits: Bolt size: 1-3/8"/38mm Avg. air consumption: 12 CFM Air inlet NPTF: 1/2" Min. hose size: 1/2" - 13mm Sound dba pressure: 99.6 - 109.6 Vibration - M/S2: 4.9 Working torque range: 300-1400 ft. lb. / 400-1900Nm Clutch mechanism - Oil-bath pin clutch delivers smooth power LENGTH WIDTH HEIGHT WEIGHT 13.25 11 4.75 26.17 Manufacturer: Chicago Pneumatic 1 yr warranty on material and workmanship