Replacement Thumb Screw for Telrad Finder - BRASS
If you lost or damaged any of the original thumb screws in your Telrad Finder, here is a brand new replacement steel thumb screw with plastic knob from Telrad.
MADE OF BRASS!
Steel version with plastic head is also available.
An unprecedented in the UK range of accessories and replacement parts for your Telrad finder are available from 365astronomy.
on 9.8mm there are about 13 threads