The polishing jig is IPC structure, Independent compression of each connector. The polishing jig pass rate with Interference> = 98% (100% Typical, according to IEC), the polishing jig APPEX OFFET is within 30. Our this polishing jig is high stability and good surface quality. The polishing jig using high quality steel with heated treat, the hardened steel S13 provide long service life. Our this polishing jig can design the jig of SC, FC, ST, LC, MPO and E2000, FA, etc, according to the customer requests. 1. The polishing jig is used in central corners polishing machine, to plishing connectors. 2. This polishing jig adopt independent pressurized way, eliminate ferrules show the different length effects on polishing. 3. Each polishing jig can hold 12 connectors. It has high production efficiency. 4. The plugs of polishing jig can be interchanged, extend polishing fixture's life. 5. The polishing jig has good quality, high efficiency, 6. All kinds of polishing jig can be customized according by customer requirment.