khuebner250
Member
- Joined
- May 24, 2007
- Messages
- 19
My guess is that the serrated piece is tapered and you put it into the hole at the end and push it against the bolt/stud and then install the tool over the bolt and as you turn the tool with a ratchet it will bite into the bolt/stud and remove it. I've only used the Snap-on version of that style.