Manufacturer of HPLC Vials - 1.5 ml / 0.40 Dram Clear Screw Neck HPLC Vial Thread, Standard Screw Thread Melting Point Apparatus/ Bulk Density Apparatus. 10 mm Screw Top Amber Glass Vial with PTFE/Silicone Pre-Slit . These autosampler vial, cap and septa kits make it surprisingly simple to re-stock your laboratory.