Made from KG-33 borosilicate glass. Smaller vial dimensions permit a substantial reduction in the quantity of solvent required. Vial is designed to fit into a carrier vial for use in equipment requiring the 20mL vial. It may also be used on its own in some of the newer scintillation counting systems. Vial dimensions are 17 x 54mm. With caps attached, dimensions are 17 x 57mm. Vials are packaged in cellular trays of 200. Trays are shrink wrapped to preserve cleanliness. Closures are packed in polyethylene bags of 200 pieces in a separate tray of 1000 pieces. (K74502, 74503)