Neiko 30088A 3/8" Butterfly Air Impact Wrench | 1/4" NPT Air Inlet | 4 CFM, 90-120 PSI | 75 Ft-Lb, 10000 RPM Ideal for transmission, exhaust, body and small engine repair and suitable for use in tight spaces like engine compartments and under vehicles Butterfly throttle gives single-handed speed control and directional control between clockwise and counterclockwise operation Small and lightweight for use in cramped, hard-to-reach spots; 360 degree air inlet swivel allows for use at awkward angles Features rubber nose guard to protect the tool and nearby surfaces while working Specs: 10,000 RPM free speed; 1/4" NPT standard air inlet; 3/8" hose size (ID); 4 CFM air consumption; 90-120 PSI air pressure; 75 Ft-Lbs maximum torque