Ideal for overall automotive service, body shop, farm, and general automotive use. Has the durable swinging weight clutch mechanism. Good weight to power ratio making for comfortable operator usage. Product Features:1/2 Sq. DriveAluminum HousingFree Speed: 7000Max Torque: 275 ft lbsWorking Torque: 40-180 ft lbsBolt Cap: 1/2Air Pressure: 90 PSIHose Size: 3/8 Air Inlet: 1/4 NPT