Screw Female Bottles are available in 8-425 (8mm), 9-425 (9mm), 10-425 (10mm) and 13,425 (13mm) neck coverings. 2ml Screw Cap Glass Vials for hplc system with attached septa cover. Includes: 100 Transparent/ amber bottles made of 32x11.6mm borosilikat glass, 2ml laboratory bottles 9-425 screws, Flat base Sample Bottles; USP TYPE I made of Glass.