These high-quality amber glass 8mm crimp/snap top vials are ideal low-volume sample vials for 6mm, 7mm and 8mm autosampler trays. HPLC and GC certified vial kits - VWR International HPLC/GC certified vial kit, amber glass, with label and filling lines, UltraClean seal: 9 mm PP short thread cap, blue, centre hole, septum silicone white/PTFE