... 3.Volume production Designed 4One-year warranty CX-20A Fiber Optic Polishing MachineThe central pressure polishing machine strength controlled by ... polishing. Main feature:May process each kind of standard fiber optic connectors, such as FC/UPC/APC,SC/UPC/APC, ... 0.0984 inch)1.25mm(0.0492 inch). Ferrule material:Zirconia (ZrO2),Quartz capillary, Glass materials, Colophony material Stainless steel ...