Anyone know what this is????????? SOLVED

[defyreality]

got a big lot of reloading stuff recently, and this is the only piece i havn't been able to identify.
it was in a ziplock with a Lee manual/drill case trimmer set.

click images for much larger photos



any ideas/info is greatly appriciated. maybe it's something useless. but it seems very well made, matte finished steel.

 

[vagrantviking]

Linkage for Lee hand priming tool.

 

[defyreality]

yup, now that hand primer makes more sense. thanks.