Sample Vial 10 Ml found in: Sample Tubes wth Printed Graudations, 10 ml Vacule With 22-350 Cap, SNAPTWIST® Scintillation Vials, Vials Autosampler HPLC 2.. Samples will not leak when closed properly Specially-designed hinged cap keeps your fingers away from the lid and the sample and reduces contamination Cap stays up when open, down when closed; and has a rough surface for marking with