Starrett H33-1224 is a forged and hardened steel square head with a smooth black enamel finish. It can fit 12- / 18- / 24-inch, as well as 300- / 600-mm blades.
It is used with combination sets and bevel protractors for scribing right angles and parallel lines.
This Starrett square head has a 90-degree square face and 45-degree miter face, and can also be used as a tri-square, miter, depth gage, height gage and level.
