The Lisle Exhaust/Tail Pipe Expander is the perfect tool for expanding, repairing, and installing tail pipes and exhaust pipes. This tool is designed to easily expand pipes from 1-1/4" to 3-1/2" in diameter with minimal effort, and its hardened steel construction ensures it will last for years of use. The expander features a spring-loaded, adjustable mandrel and a comfortable handle for a secure grip. This tool is perfect for any do-it-yourselfer, and it is an essential part of any mechanic's toolbox.