Originally Posted by
taras0000
Nope. You will need a large slot screwdriver or chainring tool to install them. The knurls are just slightly larger than the outside diameter of the hole, and as you tighten the bolts, they get pulled in. The tool is just to help the process get started, as once they have bitten into the back of the spider enough, they will stop rotating and jut get pulled in. IF you strip one that's already installed, you will have to hammer it out.
Thanks! ( Fingers crossed i never strip one!)