DNC Tight Buffer type cables are designed for indoor use to provide highly reliable transmission quality in a controlled environment. Each cable designed for continuous operation and can be manufactured from 2 fiber to 48 Fibers. These tight buffers are SZ stranded in one two layers around a central strength member ( CSM) commonly used in FRP. These type of tight buffer design is used for all types of indoor fiber optic cables. These type of cable is easy to handle and install.