Starrett 55 hardened steel squares are the same as the 20 squares, except that the blades are beveled on both edges of each side, which provides an excellent visual line contact with the work.
This item is no longer available.
A recommended alternative is 20-4 1/2.
Difference between 55-4 1/2 and suggested alternative 20-4 1/2:
- Excludes beveled edge feature.
For additional support, please contact our customer service department at (978) 249-3551.
[Discontinued 10/2022]