Originally Posted by Dave Schiller
And what are pecs?


Pins or pegs. They are about 1/8(some of larger diameter) inch diameter by 1/2 inch long to one inch and they fit into rows of holes and allow you for instance to hold something circular in shape such as a coin to engrave and something oblong such as the lock plate of a side lock ejector. When you tighten the jaws the pins move against the object to hold it in place.

Look at this link and you will see the aforementioned holes. https://grs.com/product/standard-block/

In this video you can see the pins/pegs

Last edited by bushveld; 02/02/24 07:02 PM.