Shimadzu micro insert with mandrel interior and polymer feet for 2ml vials 2ml 10-425 Screw Clear Amber Chromatography Vials Micro-Insert, 31*6mm Clear, Flat Bottom, Suits for 10-425 Vials 250uL Conical Micro-Insert, 31*5.7mm, Suits for 10-425 Vials 250uL Micro-Insert with Mandrel Interior, & Polymer Feet, 29*5.7mm, Suits for 10-425 Vials 250uL