【Reliable performance】The FC to LC Adapter has a sleeve with high-precision zirconia ceramic ferrule, providing high dimensional accuracy. The Low Insertion Loss and High Stability escort your network equipment. 【Function】It uses to connect FC fiber patch cable and LC fiber patch cable together. It aslo uses to check the continuity of fiber patch cables with Visual fault Locator . 【Widely Application】Apply to Telecommunications-CATV Engineering and Maintenance, Optic network Maintenance, Optical Measurement drive engineering, and other fiber-optic projects. 【Standards compliant】The LC (Female) to FC (Male) Singlemode Fiber Adapter complies with IEC 61754-4, IEC 60784-14, and TIA 604-3 and conform to RoHS standards. 【Brand Service】12 months after-sales service gives you a good shopping experience. If you have any problem, please contact us, we will solve it for you and make you reap satisfaction. FYBOPTWU - 3 pcs Visual Fault Locator Adapter FC Male to LC Female Adapter Optic Fiber Convertor Single Mode 9/125um Hybrid Optical Adapter Adapter Fiber Optical UPC Adapter Coupler