https://www.youtube.com/watch?v=35D9Af1jV3E

The above is a link to the disassembling a bolt with a Buehler-type safety.

Mule Deer -- I use the the edge of my work bench also, but fortunately I put on a medal-edged trim when I used stick um down floor tiles to cover the plywood top of the workbench. It has saved me from destroying the edge of that workbench many times in the last 20 years! smile

CJ