12 inch Polysteel combination square graduated in 1/16 inch. Used for 90 and 45 degree layout, depth measurement, and level checks on carpentry and metalwork.
Combination square with a 12 inch blade and 4R graduations on a 3-1/4 inch beam. The square head sets 90 and 45 degree angles, checks square, and gauges depth, with a built-in level vial...