15 UNC/CP-11.5B Screening Color-Coded Probe 15 UNC/CP-11.5B Screening Color-Coded Probe PCP15/11.5 Double-ended, color-coded screening probe. Round, Stainless Steel handle. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.