GRAPHPACK®-2M ferrules for column outside diameter Back Catalog number: 001805-040-00 Availability: In the manufacturer's stock Price on request - + Recommended 5080-8853 Ferrule, 0.5mm Graphite 0.32 col 10/PK 68,20 € G3188-27501 Ferrule, flexi inert 0.25mm col 10/PK 85,36 € VLZU1M Valco internal union 1/16 in,0.50mm bor 67,03 €