Pneumatic Wrench is built for the professional user providing more power with less noise. This tool features a low weight housing and rubberized handle for added user comfort. The Single hammer clutch produces 500 ft./lbs. of torque. Each wrench includes internal silencing and a built in forward/reverse. Perfect for auto/recreational vehicle/garden-agricultural equipment/machinery service and repair. 1. Adopt the impact type single hammer striking structure, which can smoothly output the torque output value; 2. Rubber edging and hose guards extend tool life.