Suitable for DIY or bike store.
The tool is a square shape steel ridge locked, and after CO2 welding and hardening heat treatment, the hardness of the body are more than HRC 55 degrees. The appearance is powder baking paint treatment.
Perform three functions: ejecting and disassembling the old shaft, inserting the new shaft end, and pressing in and expanding the new shaft surface.
There is a plastic-steel surface pad in contact with body fluids, which can prevent the paint surface from being damaged when the screw is screwed.