Featuring a ribbon fiber structure with a 0. 0mm fanout design, it ensures easy splicing, efficient cable management, and stable performance. Pigtails connect optical fibers to network components, while ribbon fiber cable organizes multiple fibers within a single structure, enhancing space efficiency and connectivity. Fiber pigtails. Pigtails are used for non-permanent connections in patch panels, transmission equipment etc. We can manufacture to fit the customer's needs Cable Diameter: 900um, 2mm, 3mm.