Has anyone seen one of these before???

[Helix]

Looks like some type of brass or copper buckle I have no clue, wondering if anyone could id it??

 

Amazon Forum Fav 👍

Minelab PRO-FIND 35 Waterproof Pinpointer Metal Detector for Experts with Tone ID & Adjustable Sensitivity - Grab it through Amazon!

[Tony in SC]

It's a clamp. Could be a blade clamp for a plane, etc. Tony

 

[clovis97]

It could be a depth stop for a woodworking plane.