Air tools,CE, GS, ISO9001:2000 RP7431L air toolsRP7431L Model NoRP7431LSquare Drive1/2''Capacity Bolt Size5/8''(16mm)Free Speed7500RPMMAX. Torque420Ft-Lb;(567N.m)Overall Length7.3''(185mm)Air Inlet1/4'' NPTAir Hose3/8'' IDAvg.Air consumption5CFM(142.5 l/min)Net Weight6.0Lbs(2.7kgs)Sug. Air Comp3HP Air tool sImpact Wrench (RP7431L)