[Convenient]: This soft tube expander is foldable, easy to operate and convenient to carry it anywhere. [Expanding tube diameter]: 6mm,8mm,10mm,12mm,16mm,18mm,22mm(1/4inch, 5/16inch, 3/8inch, 1/2inch, 5/8inch, 3/4inch, 7/8inch) [With a deburrer]: This copper tube expander comes with a deburrer. After cutting the copper tubes, the tube mouth should be trimmed with deburrer, and the is to flat and smooth. [Application]: This tube expander is suitable for maintenance site on the rapid expansion of copper tubes, it is a convenient tool for refrigeration maintenance. [Note]: This copper pipe expander is suitable for expanding standard refrigeration soft copper tubes, otherwise the expansion shaft be damaged. It is recommended that when expanding hard tubes, the copper tubes should be heated up to about 500℃ first to soften them before expanding them., Weight: 1.04278649926 pounds, Manufacturer: Feyoalix