Buy 0.2ml chromatography vial inserts suit for 9-425 Sigma. 8-12mL 15-425 Screw Neck Vial ND15 Material: USP Type 1, Class A, 33 Borosilicate Glass Dimensions: 16.6 x 60mm/18.5 x 65mm Micro-Inserts Application: Suitable for 8-425, 9mm, 10-425, 11mm snap vials Material: Glass for Insert, Polymer for feet. Get Price.