GRAPHPACK®-2M ferrules for column outside diameter Back Catalog number: 001805-040-00 Availability: In the manufacturer's stock Price on request - + Recommended 500-2118 Ferrule, 0.8mm G 0.45-0.53 col 10/PK 47,53 € 5181-3308 Ferrule VG-1 no hole for MS 10/PK 75,54 € 073566 Replacement SilTite u-Union Ferrules for 0.1 - 0.25mm, pk/10 Price on request