Makes a single flare on copper tubing of the most widely used diameters without danger of distorting the tube. It can flare tubing which is most commonly used in plumbing,heating and refrigeration systems, cars and aircraftsThe yoke and swivel cone are hardened for strengthThe steel T-bar also acts as a wing nut tightenerCapacity 1/8” (3mm) to 3/4” (19mm) tubes