HomeHPLC Replacement PartsBack Ferrule, 1/16″, SS, 10/pkBack Ferrule, 1/16″, SS, 10/pk Back Ferrule, 1/16″, SS, 10/pk Add to quote This product is already in your quote request list. Browse the list Description Description Reference WB309 OEM Part 5180-4114 Models: 1100, 1200, 1220, 1260, 1290