This Ingersoll Rand composite air impact wrench uses Quiet Technology to achieve low noise level, yet delivers impressive torque to challenge the toughest jobs. U.S.A. Key Product Specs Drive (in.) 1/2 Speed - No Load (RPM) 9,500 Blows Per Minute (BPM) 1,250 Max. Torque (ft.-lbs.) 600 Hammer Mechanism Twin Variable Speed Yes Noise Level (dB) 82 Additional Product Specs * One-handed forward and reverse * Lightweight, durable composite body * Twin hammer mechanism