Design and build your own custom rack panel using simple pre-fabricated sub-panels. L-com's Universal Sub-Panel system offers you an easy way to configure a customized rack panel with various connectors. This steel sub-panel features either two or four FC fiber couplers and comes in a black finish. Supplied with four 6-32 screws for quick installation into L-com's universal frame. Pick and choose the connections you need. Same day shipping on most items; Order online today!