Air hammer driven impact driver designed to release hard to remove seized and rusted fixings. The kit includes an air hammer adaptor, soft rubber coated side handle and four 5/16"" hex shank bits: Phillips PH2 and PH4 and flat 8mm and 10mm. The tool combines an air powered hammering force with the impact driver�s turning action to loosen the hardest to release components. This bi-directional driver works with both left and right-hand threads and features a half inch square drive, for use with an impact socket, ideal for nuts and bolts. A professional kit and a useful problem solver in the automotive workshop. Air hammer impact driver for use with 1/2""D impact sockets & 5/16"" bits. Remove corroded and over tightened nuts, bolts and screws quickly & easily. Includes 5/16"" impact bits: Phillips Ph2, Ph4; Flat: 8, 10mm. Spares available, Please see Part No. 2180. Side handle provides turning torque and precision tool control. Manufactured from chrome molybdenum with durable black