Stanley Tools Carpenter Square, 24in x 16in Blade Length

High tempered aluminum for maximum durability Deep, long-wearing graduations for easy reading Protective lacquered coating resists corrosion Useful tables and information stamped into square, such as: new lumber scale, decimal equivalent table, metric conversion table, formula for squaring a foundation, 45 deg., 60 deg., 30 deg. angle markings, volume and area formulas, wood screw gauge table, nail sizes (common and finish), quantity per pound and depth scale