Volume Discount Multi-Packs | 0.5M Singlemode LC LC Fiber Patch Cables | Pack Options: 2 Pack, 4 Pack, 6 Pack, 10 Pack, 12 Pack and 24 Pack. Save time and money by purchasing your fiber patch cables in quantity. OS2 LC to LC Duplex Jumpers, Riser Rated (OFNR), each assembled with Corning SMF 9/125 micron core/cladding optical fibers.