1. Can be welded while cornering
2. Contains the ball shaft, to keep smooth
3. Lightweight tools, no need for fixed use
4. Can not be placed more than 1.5mm thick material (clip thickness of 1.5mm)
5. Processing angle: 45 to 135 degrees If you want to process less than 45 degrees of tool material, the first processing angle transferred to 45 degrees, then take out the tool material, with the second manual processing, to make a smaller angle
