Model No.:RP7461Square Drive: 3/4''Capacity Bolt Size: 3/4''(20mm) Free Speed :4800RPMMAX. Torque : 550Ft-Lb;(744N.m)Overall Length: 9-1/2''(243mm)Air Inlet:1/4''NPTAir Hose:3/8''IDAvg.Air consumption: 4.7CFM(134/min)Net Weight: 10.8/Lbs(4.9kgs)Sug. Air Comp.: 3HPFeature:1) Die-cast aluminum body. 2) Compact ergonomic design for increased comfort. 3) (Screened filter)air inlet keeps dirt and debris from damaging the tool. 4) Ideal for tire changing and general assembling work and other workshop applications.