The L. S. Starrett No. 473 Thread Screw Pitch Gage is a precision tool made in the United States by the well-known brand Starrett. This gage features a positive stop for accurate measurements and covers a wide range of screw pitches from 6 to 60. It is a high-quality product designed for machinists and tool enthusiasts looking for reliable and durable tools to help with their projects.

Has initials engraved on it.