1/2 in. Drive Composite Air Impactool1 2 in. Drive With a great power to weight ratio, the 2100G makes it comfortable to get the job done. Delivering 550 ft. lb. of maximum reverse torque and weighing only 4. 3 lbs, this tool has what it takes to get you the results you need. Exclusive twin hammer impact mechanism Durable composite housing Variable speed trigger Handle exhaust Powerful 6 vane motor Forward power regulator 360 degree swivel inlet Features Item Weight 6 Housing Material