Clamp, Rubber Dam #18, Black Line PreviousNext Clamp, Rubber Dam #18, Black Line RDCM18X 0.0 star rating Write a review Flat jaws and stiff bow for molars. SKU 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.