Easily expand 5/16-in. to 1-5/8-in. O.D. soft copper and aluminum tubing in seconds. Long handles, tapered expanding pin, and other moving surfaces heat treated for long-term durability. Nine expander heads attach to the front of the handles. Use to re-round deformed tube and fitting ends and salvage shorts and scrap to make couplings. For.063-in. wall soft copper and aluminum to 1-5/8-in. O.D. (anneal hard copper prior to use); .047-in. wall soft steel to 1-1/8-in. O.D.; and .039-in. wall stainless steel to 7/8-in. O.D. UPC# 60407.YELLOW JACKET Products Division of Ritchie Engineering Company, Inc.; www.yellowjacket.com/cb or 800/769-8370