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". (Not included in 34400 set.) Weight : 199g Width (mm): 200mm Height (mm): 76mm Depth (mm): 226mm