The JET 400455 is a 1″-drive, D-handle pneumatic impact wrench with a 2″ anvil that delivers up to 1,900 ft-lb of hard-hitting torque (forward & reverse). The rocking-dog hammer mechanism provides strong, durable impacts, while the D-handle and side-handle give operator comfort and control. With a 3-position throttle valve, exhaust directed away from the user, and 3-piece construction for easy maintenance — it’s well-suited for heavy-duty work like truck/tractor tires, agricultural or general shop use.