Use these caps with standard 11mm chromatography vials. JG Finneran™ Crimp Caps feature an open top for filling and retrieving samples with a syringe. Fisherbrand™ 9mm Short Thread Vial Kit, PP, Clear, 1.5mL, PP Screw Cap, Center Hole, Silicone/PTFE Septum. Includes 100 vials and 100 caps with pre-assembled septa.