L. S. Starrett Company
Videos
The L. S. Starrett Company is an American manufacturer of tools and instruments used by machinists, tool and die makers, and the construction industry. It claims to produce 5,000 variations of precisi
Starrett Tools in Athol, Massachusetts
The Starrett plant in 1905
Starrett combination square
Starrett dividers
Combination square
Videos
A combination square is a multi-purpose measuring and marking tool used in metalworking, woodworking, and stonemasonry. It is composed of a rule and one or more interchangeable heads that can be attac
L. S. Starrett Company
…blades as of 2025. The company was founded by businessman and inventor Laroy Sunderland Starrett in 1880. The company patented such items as the sliding combination square, bench vises, and a shoe hook fastener. It makes precision steel rules and tapes, calipers, micrometers, and dial indicators, among others. In addition…
A combination set with the rule (top), a standard head (left), protractor head (centre), and a centre finder head (right).