Center Gage Attachment, Starrett 2191  (Discontinued)

Starrett catalog number 392.

This attachment is useful for holding Starrett center gages firmly against the lathe arbor or faceplate when setting both internal and external screw cutting tools. A slot containing a flat spring holds the gage and a V groove in the other side permits locating the attachment against the lathe arbor.

The center gage attachment is the black thing in the photo above.