Features:
1. According to the human body mechanics, hand shape design of special handle, can disassemble and assemble tool according to different space.
2. Universal joint rod, easy to disassemble and assemble, can be used under special working conditions.
3. Complete specifications precision screwdrivers, using high chrome vanadium steel material (6150 #), with special heat treatment (hardness HRC52°~56°)
4. Able to adapt to different work areas.