These Fiber Optic SC Mating Sleeves have a polymer body and are available in multimode and singlemode versions, in both simplex and duplex styles. In addition to this particular style mating sleeve, we can provide mating sleeves, adapters, adapter panels and connectors for all your needs and applications. Hybrid mating sleeves are also available. If you don?t see the item that you need on our website, chances are that we have the product in our large in stock inventory. Just ask!