Stretches All Pipe Including Stainless Steel. Use with an impact wrench to quickly stretch pipes. Two collet sets fit pipes from 1 5/8" to 2 7/16". Can be used on the car. The pipe stretcher is a convenient, inexpensive alternative to hydraulic pipe expanders. Additional collets (5) extend range to 4 1/4". 34310- bearings & washers [DO NOT sell bearing alone (34460)] 34480- 11/16- comes on tool 34470- 2 3/16- large segment 34420- washer 17510 Extender #1 2 3/8" - 2 3/4" 17520 Extender #2 2 3/4" - 3 1/8" 17530 Extender #3 3 1/8" - 3 1/2" 17540 Extender #4 3 1/2" - 3 7/8" 17550 Extender #5 3 7/8" - 4 1/4" *Not warrantied unless broken during first use