Alumicolor 12 Gold Hollow Aluminum Triangular Architect Scale lightweight professional-quality scales are made from color-anodized aluminum with printed graduations on ultra-smooth mark-resistant surface. 12 hollow core architect scale in gold color. Supplied in hard plastic case. All architect scales have the following graduations unless otherwise noted: 3/32 3/16 1/8 1/4 1/2 1 3/8 3/4 1½ 3” to the foot; one edge to 16ths.