tender for 1 inch square drive pneumatic impact wrench having anvil size-6,freespeed- 5200 rpm, working torque-(400-440) nm,max. torque-500 nm, approx weight-11.6kgs. make- chicago pneumatic or atlas copco or gedore or similar. model no: cp7782tl-6of chicago pneumatic or similar model no of atlas copco or gedore .