8mm Open Top Cap, 5.5mm hole Black Polypropylene Red PTFE/White Silicone 45 1.30 46610-700 100 1000 VWR® Standard Opening Screw Thread Vial Convenience Kits Kit Type Glass Patched Cap Color Septum Cat. No. Pack of Case of Convenience Kit Clear No Black Red PTFE/White Silicone 66009-878 100 1000 Assembled Kit Clear No Black Red PTFE/White