Rule, Steel, 150 mm 31 (in/mm) Flexible, Starrett

Starrett 150 mm (5 3/4") No. 31 graduations, full-flexible steel rule.

Starrett catalog number C331-150.

Graduated 150 mm end-to-end on mm edges and to 5-3/4" with a blank end on the inch edges.

Graduations No. 31 - 32nds and 64ths on one side; mm and 1/2 mm on reverse. All four edges graduated from same end.

This rule is 1/2" wide and 1/64" thick.

All Starrett steel rules are photoengraved and tempered for long life and flexibility. They are inspected to Starrett Master Standards, which are traceable to the National Institute of Standards and Technology.