1/2" UNC x 1.5D Recoil Insert 23083 Pack Of 10 6861450 The scales are photo etched

The scales are photo etched into a glass reticle which is placed in contact with the measure object thus obtaining simultaneous enlarged images of the scale & measured object

or the brushes fitted in your tool

Gilmer pulleys are a great solution for any racing set-up

synthetic and plastic

1/2" UNC x 1.5D Recoil Insert 23083 Pack Of 10 6861450 The scales are photo etchedRecoil inserts are rolled from high quality stainless steel wire with a diamond shaped cross section, wound to the shape of a spring thread. Once the insert is installed into a tapped hole, it provides a permanent and wear resistant thread in the parent material designed to be stronger than the original thread. The inserts are greater in diameter than the corresponding tapped hole and compress as they are installed. This allows maximum surface contact