1. The polishing fixture is used in four corners polishing machine, to plishing connectors. 2. This polishing fixture adopt independent pressurized way, eliminate ferrules show the different length effects on polishing. 3. Each polishing fixture can hold 24 connectors. It has high production efficiency. 4. The plugs of polishing fixture can be interchanged, extend polishing fixture's life. 5. The polishing fixture has good quality, high efficiency, 6. All kinds of polishing fixtures can be customized according by customer requirment.