Stanley 24 In. Flat Steel Carpenter’s Square

High-quality hardened steel for durability. Embossed graduations and markings for easy readability. Graduations and markings on both sides of square makes measuring more efficient. Provides helpful reference conversion tables including: lumber scale. decimal equivalent and Metric conversion table. formula for squaring a foundation. 45??. 60??. and 30?? angle markings. volume and area formulas. wood screw gauge table. nail sizes (common and finish). and quantity per pound and depth scale. Surface treated with a protective clear coating to resist corrosion and to extend the life.