These Fiber Optic MT-RJ Mating Sleeves have a polymer housing and are available in multimode style. One of these mating sleeves, part number F1890M, has an SC footprint. In addition to this particular style mating sleeve, we offer other fiber optic mating sleeves, adapters, adapter panels and connectors for every conceivable need and application. Hybrid mating sleeves are also available. If you don?t happen to see the item you need on our website, just ask our sales associate. It is likely that we have the item our large, in stock inventory, or we can get it for you.