OEM's 19-piece Air Tool Kit from GreatNeck Tools includes a 1/2" Air Impact Wrench with a maximum 240 ft./lbs. of torque and a forward free speed of 7,000 RPMs. The 3/8" Air Ratchet has 45 ft./lbs. of maximum torque and free speed of 150 RPMs. The kit includes 10 1/2" impact sockets in the following sizes: 1/2", 9/16", 5/8", 11/16", 10 mm, 12 mm, 15 mm, 17 mm, 19 mm and 21 mm. The kit also offers 3/8" F to 1/2" M socket adapters, 3" extension, two 1/4" industrial plugs and air tool oil, all in a carrying case.