David
The little black o-rings simply serve as a friction surface for your fingers when adjusting the calipers. A more traditional method would have been a knurled adjuster instead. Your well stocked local hardware store should have a good selection of o-rings with one very close in size.
Eric Elman
Somers, CT
> What function do the little black o-rings on the adjuster screw serve? Are
> these obtainable anywhere as mine are split and need replacing.
> Inquiring mind(s) want to know.
>
> David Goerndt
> Orlando, FL