Fisherbrand™ Shell Vial Kit, Clear Glass, PE Plug Recommended for HPLC usage. 8 Fisherbrand™ 10mm PP Screw Seal, Black, Center hole, 10-425 thread, Assembled septum Pre-assembled caps and septa are convenient and minimize contamination from handling. 9 Thermo Scientific™ 9mm Clear Glass Screw Thread Vials