Starrett Combination Square Value Guide

The L.S. Starrett Company revolutionized precision measurement with this versatile tool, which became a staple for machinists after its 1880 debut. This 1920-1940 era model features the classic cast iron head and steel blade construction that defined American industrial quality.

What Is Starrett Combination Square Worth?

The typical price range for Starrett Combination Square is $75 - $75 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Condition of the cast iron head, specifically looking for cracks or original paint loss.
• Legibility and wear of the etched measurements on the steel blade.
• Presence of original components like the brass locking nut and the removable scribe.
• Accuracy and squareness of the tool, as functional precision impacts collector demand.

How to Identify Starrett Combination Square?

• Look for the L.S. Starrett Co. Athol, Mass. U.S.A. stamp on the blade or head.
• Check for the characteristic textured black finish on the cast iron head common in the early 20th century.
• Verify the presence of the original hardened steel blade with deeply etched graduations.
• Inspect the locking nut and scribe for the specific knurling patterns used between 1920 and 1940.

History of Starrett Combination Square

The L.S. Starrett Company, founded in 1880, quickly became a leading manufacturer of precision tools. Their combination squares revolutionized woodworking and metalworking by integrating multiple measuring functions into one versatile device, making them indispensable for craftsmen and machinists worldwide. This particular model reflects the enduring design and quality that made Starrett a household name among professionals.