Starrett Tool identification

[rick1222]

 

[WisJim]

Maybe for holding one of the short rules? Does it have a number on it, is there a set screw in the end? It looks like the knurled part might rotate seperately from the rest of it--does it, and if so does that move anything else?

 

[rlitman]

Maybe for holding one of the short rules?...

Or a radius gauge, or a thread rule.

 

[RTM]

Maybe for holding one of the short rules? Does it have a number on it, is there a set screw in the end? It looks like the knurled part might rotate seperately from the rest of it--does it, and if so does that move anything else?

I believe this is the correct answer

Tempered Steel Rules with holder No 423.

Holder does not have a separate part number

Starrett Tools 50th Anniversary : Catalog No. 25 : L. S. Starrett Co. : Free Download, Borrow, and Streaming : Internet Archive

388 p., illus., 18.7 cm, trade catalog

archive.org

 

[rick1222]

Maybe for holding one of the short rules? Does it have a number on it, is there a set screw in the end? It looks like the knurled part might rotate seperately from the rest of it--does it, and if so does that move anything else?

I took it apart:

 

[rick1222]

I believe this is the correct answer

Tempered Steel Rules with holder No 423.

Holder does not have a separate part number

Starrett Tools 50th Anniversary : Catalog No. 25 : L. S. Starrett Co. : Free Download, Borrow, and Streaming : Internet Archive

388 p., illus., 18.7 cm, trade catalog

archive.org

That it! Thank you!