Tisch Chromatography Vials are supplied in screw neck, crimp neck, or snap ring configurations. They can be purchased either in clear, or amber color, and in milliliters ranging from 0.3mL to 60mL. Current thread types available for our chromatography vials are: 15-425, ND13, 10-425, 8-425, ND9, ND24, ND11 (Crimp Neck), ND20 (Crimp Neck), ND11 (Snap Ring), ND18, and short screw.