... Easy installation,long durability OEM,large stock 1. High precision SFU-2505-260-0.05 ball screws for cnc routers Ball ... -friction,low noise and dustproof, high precision ,C.Various type: SFU,SFI,DFU,DFI.D:Processed according to the customers' drawings ... cooperations with customers from all over the world! High precision SFU-2505-260-0.05 ball screws for cnc routers