1/2" Drive Power Bar Impact Wrench. 

Useful for unfastening the high torque centre bolts commonly found on crankshaft pulleys, flywheels, coupling, and flanges. Allows for access in tight areas without space to use an air or electric powered impact wrench.

Delivers up to 815 Nm (600 Ft/lb)

Length: 560mm (with a rubberised safety grip and hand guard).
Leverage Bar Drive: 1/2"