SMA-905 connectors have a threaded coupling nut and feature a stainless steel or a high quality zirconia ferrule with ID sizes up to 1500 microns to accommodate a wide range of optical fibers. Applications 1.Medical / Surgical 2.Laser Systems 3.Spectrometers 4.Industrial & Military Features 1.Threaded nut connector 2.TIA / IEC compliant 3.Stainless Steel or Zirconia ferrule with custom ID sizes up to 1500um 4.Simple termination and assembly