STANLEY 45-300 Carpenter Square, SAE, 16 in L, Aluminum

Stanley 45-300, aluminum carpenter's square, 16" x 24" high-quality aluminum for maximum durability. durable, embossed graduations and figures for easy reading. provides helpful reference conversion tables such as new lumber scale, decimal equivalent table, 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), quantity per pound and depth scale. protective lacquered coating resists corrosion.