Stanley 45-300 Aluminum Carpenters Square Anodized aluminum for maximum durability, light weight, and corrosion resistance Durable, Embossed graduations and figures for easy reading Quality construction Aluminum carpenter's square offers wide range of easy-to-read measurements, tables, and conversions Helpful reference conversion including new lumber, decimal equivalent, and metric conversion tables; 45-, 60- and 30-degree angle markings High tempered aluminum for maximum durability; protective lacquered coating; buffed finish Deep, embossed, 1/8-inch graduations for long-term visibility Body: 24- by 2-inches; tongue: 16- by 1-1/2-inches; backed by lifetime limited warranty