Air Impact Wrenches Single hammer butterfly air impact wrench. Manufactured with a lightweight aluminium housing attached with a one handed forward and reverse butterfly control with built – in regulator to vary speed and power. Attached with a side exhaust and a 1/4″ BSP airline connector which connects with the 360 rotating air inlet, helping prevent air – lines from kinking when in use. The compact size helps in TIGht spaces, making it ideal for transmission, body panel, exhaust system and small engine, Weight: 2.09659611162 pounds, Manufacturer: Draper