"swivel top nuts for

[DIYer]

Thanks katy! We've added your Vise Lock to our Vises category,
as well as to your builder page: katy's Homemade Tools. Your receipt:

Vise Lock by katy

tags: vise, lock

[katy]

Crusty - Nice looking part. Especially the brazed joint between the nut and the washer. It's a natural given that most of these parts come with zinc plating.

Methinks that "most of these parts" are cadmium plated, not zinc.