Features and Benefits: Truck tire tool of choice Long known as the workhorse of the truck tire industry Rocking dog clutch for smooth operation and extreme durability Teasing throttle for easy bolt starting Choice of professional mechanics for high volume tire work on trucks buses and heavy equipmentConvenient reverse valve for easy directional changes, Applications: high volume tire work on trucks buses and heavy equipment, Working torque: 150-900 ft, /lbs, ; maximum torque: 1400 ft, /lbs, ; blows per minute: 1080; free speed: 4200 RPM; average air consumption: 10 cfm; air inlet thread: 1/2"" NPTF; minimum hose size: 1/2""; sound dBA: 110; length: 22, 25""; weight: 29, 75 lbs, SKU: DOBA5470