CP-15 UNC Color Probe CP-15 UNC with 1-2-3-4-5-6-7-8-9-10-11-12-13-14-15 marking. CP-15 UNC is color coded with accurate, smoothly finished black 1-2-3-4-5-6-7-8-9-10-11-12-13-14-15 markings, which will not chip, flake or fade. These probes are commonly used as a diagnostic instrument to measure pocket depths in order to establish the overall state of a patient’s periodontal health. Technical Specifications [...]