Tube expander for copper pipes WK-622

Universal manual expander for inch pipes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8". It is used to make cups in soft copper tubes used in refrigeration and air conditioning to make longitudinal brazed joints.
To make the expansion, insert the device into the pipe, squeeze the handle to open the jaws, and then rotate it several times.
It is recommended to heat the end of the tube to soften it before doing this, which allows for easier and more accurate enlargement of the diameter. This is a must in the toolbox.
An alternative to the VALUE VST-22