Masc Down-Pipe Expanding Tool Set for simple widening of a seam-welded copper, zinc, or aluminium down-pipe as well as rain pipe elbows. An easy one man tool for in the shop or at the construction site. Has an automatic feed and return function through the patented gear unit. Use this expanding tool with a power drill and form sockets on site in a matter of seconds.
These sets of 2 or 3 come in a metal case!