Made from drop forged steel which has been heat treated, these three tail pipe expanders were made to straighten out any dents in your muffler and tail pipe from the inside. There is a hole on the end of each of the three different sized expanders so you can fit a T-bar or just use the hex handles to fit a wrench so you can turn the handle easier. This set comes complete with spare O rings and a blow moulded case to keep you expanders in. To be used in the automotive industry or for the home mechanic who needs exhaust system repair done cheap and easily. Specification: Type : Exhaust pipe expanders Small expanders size : Pipes from 29mm to 44mm Medium expanders size : Pipes from 38mm to 62mm Large : Pipes from 52mm to 89mm How to use : 19mm socket with ratchet or a 19mm spanner Uses : To expand thin walled pipes Spares : 6 x O-Rings Storage : Blow moulded case Features: Enables two equal sized pipes to slot over each other for a better joint by expanding one pipe so it slots over the other The tool will also remove clamps marks, dents. It also has many use out the motor trade Full set of 3 x expanders to fit small, medium, large cars, 4 x 4's and commercial vehicles Includes: 3 x Exhaust pipe expanders 1 x Storage case 6 x Spare O-Rings