0.3mL Clear, Polypropylene, Snap Ring Micro-Vial, 11.6x32mm, 100 . Tisch Scientific Snap Ring HPLC Autosampler Vials w/Micro-Insert, 0.3 mL, 11mm, Clear Plastic, 100 Pack, CV2038 + Price $9.42. Quantity. Chromatography Vial Inserts - VWR International