KODAK Paper Gray Scale Reflection photographic gray scales are intended for inclusion in the original scene to be photographed. They are helpful in balancing and identifying color separation negatives. These silver-density gray scales are printed on glossy, medium-weight photographic paper. Ten steps on each scale. Each step is about 3/4 inch by 2-inches. NEW UNOPENED. I have four of these. If you want more than one price per scale will be less. $6 with shipping to USA address.