Function --- Used to expand the low-carbon steel exhaust pipe to make perfect exhaust seals with smaller diameter piping.
Material --- All collets are made of 6061 Aluminum, use oxidation treatment.The expander utilizes Tempered 40CR Alloy Structural Steel, using quenching and phosphating treatment, ensuring rugged rigidity then extended service life
Wide Expandinig Range --- In the tool set offers various collets, To extend the exhaust pipe from 1-5/18" to 4-1/4". Includes:Steel expander 1 5/8" - 2" Collet, Steel expander 2" - 2 1/2" Collet, 2 3/8"- 2 3/4" Collet, 2 3/4" - 3 1/8" Collet, 3 1/8" - 3 1/2" Collet, 3 1/2" - 3 7/8" Collet, 3 7/8" - 4 1/4" Collet.
Easy Opeartion --- First step: Choose the proper collet. Second step: clamp the pipe. Third step: and then expand the pipe. Use a 1/2" or 3/4" impact wrench to save even more effort.Operation of our stretcher kit is really that simple!
Service Guarantee --- We hope to bring you a satisfying shopping experience. If you have any question, please feel free to let us know.Hope you can find what you want here and enjoy your shopping.