Features: Chicago Pneumatic CPT-828 3/8" Heavy Duty Air Ratchet Features CP's new anti-slip head design which virtually eliminates slippage while reducing the potential for heat build-up, even in long run downs Compact, yet packed with power and speed Specifications: Chicago Pneumatic CPT-828 3/8" Heavy Duty Air Ratchet Square drive -- 3/8 in. Working Torque Range -- 10-50 ft/lbs Maximum Torque @ 90psi reverse -- 50 ft/lbs Free Speed -- 150 RPM Length -- 10 in. Weight -- 2.4 lbs. Ave. Air consumption -- 3.75 cfm Actual Air consumption @ load cfm -- 15 cfm Air inlet thread -- 1/4" NPTF Min. Hose Size -- 3/8 in. Sound Level -- 97 dB(A) Sound Power -- 108 dB(A) Vibration Level -- 7.9 m/s?