Starrett Combination Set with Square, Center and Non-Reversible Protractor Head and Blade - 12" Blade Length, Cast Iron Heads, Hardened Steel, 4R Graduation Type - C9-12-4R

The Starrett Combination Set features a 12" blade length and includes a square head, center head, and non-reversible protractor head, all crafted from durable hardened steel. The square head allows for easy adjustments along the rule, while the center head