These convenient photographic scales are ideal for use by both the crime scene and lab technician. The scales are prepared in small adhesive pads and they are quickly applied and leave no residue. The nonreflective surface is easily marked with identifying information. Provided as packages of 2 or 50 adhesive photo scale pads, with 50 scales per pad. Available in standard or metric imprint. Accuracy verified with a NIST traceable standard.