Alumicolor 6” Aluminum Combination Drafting Scales are 6 inch professional quality scales made from color anodized solid aluminum. They are available in silver, gold, red, and blue. Graduations: 1/8, and ¼ foot; 10 & 50 parts to an inch; 1:100 and 1:500 metric, with one edge to the 16ths. Custom imprints available for orders of 100+ see our promotional products website for additional information. Promotional Products Store the source for custom imprinted products with a lasting value and long term presence.