Jeirdus 30Meters 100 feet LC to LC Indoor Armored Duplex( 2 Fiber Strands)50/125 OM3 Fiber Optic Cable Jumper, LSZH, Zip-Cord Reinforced, 1.25mm ceramic ferrule, LC/PC to LC/PC.Great flexibility and duribility with a flexible stainless steel tube inside the outer jacket as the armor to protect the fiber glass inside.It retains all the features of standard patch cord, but is much stronger. It will not get damaged even if stepped by an adult.Low Insertion Loss, Low Back Reflection,High Return Loss, All our products are 100% new fiber optic cable of carrier-class quality ,and 100% test before delivery.