Ring-joint wrenches with a twist are made of CrV special steel. The ring part has 12 edges and is bent at an angle of 15°. The 72-tooth clutch mechanism ensures a 5° step. The ring part is self-moving 200° relative to the handle.
The set includes:
- Ring-joint ring wrench 8-9-10-11-12-13-14-15-16-17-18-19 mm