Use with an impact wrench to quickly stretch pipes for connection. Two collet sets fit pipes from 1 5/8" to 2 7/16". Can be used while the pipe is on the car. The pipe stretcher is a convenient, inexpensive alternative to hydraulic pipe expanders. Clam shell package. Shipping wt. 4 lb. 6 oz. Exhaust and Tailpipe Stretcher stretches all pipes including stainless steel. Useful for removing the crimp left by the pipe clamp.