Inserts for 2 mL Standard Opening Vials - Inserts | Sigma-AldrichInsert for 2 mL standard opening vial, 4.6 mm I.D. volume 0.15 mL, conical clear glass (with bottom spring), O.D. Application: Suitable for 8-425, 9mm, 10-425, 11mm snap vials Material: Glass for