1/4" AIRCAT air ratchet with single pawl mechanism and composite body fits into tight spots to remove and install fasteners easily. Patented tuned exhaust muffler technology allows discharged air to pass without developing back pressure so that no power is lost, while reducing noise. Through the handle exhaust design reduces hazards from breathing exhausted air particulates, and eliminates blow-by into the operator's eyes and lungs. Patented ergonomically engineered handle relieves stress and fatigue on hands, wrists, and arms. Operates at 85 decibels with a loosening torque of 45 ft/lb and a working torque of 5-35 ft/lb. Free speed: 380 rpm (revolutions per minute). Air flow pressure: 90 psi (pounds per square inch). Weight: 1.6 lb, Length: 8.5". CE (Conformite European) Certified, meets EU (European Union) safety, health, and environmental requirements. 1 year parts and labor limited warranty.