SMA Fiber Optic Pigtail by Veston Limited is a similar product of fiber patch cable. The difference is that fiber pigtail has only one fiber connector on the end and a length of exposed fiber cable at the other end on the other end. SMA Fiber pigtail usually comes with usually un-buffered optical fiber one side of the cable. There are single mode and multimode fiber optic pigtails. The cable end of fiber pigtail is always used to be fusion spliced to a single fiber of a multi-fiber trunk to break out the multi-fiber cable into its component fibers for connection to the end equipment. Therefore, A good quality fiber pigtail is a basic and very important solution to fiber optic cablings.