This LC fiber optic  connector is a duplex connector used for 3mm jacket. It is an epoxy style connector used in conjunction with a fiber optic polishing machine and curing oven.
|     Physical Characteristics | 
|    Color | 
  Blue | 
|    Compatibility | 
   3mm jacket | 
|    Fiber Type | 
   Singlemode | 
|     Connector | 
|    Connector | 
   LC Duplex | 
| Package Information | 
|    Package Quantity | 
   50 Connectors | 
|    Product Weight | 
   1 lbs [0.45kg] |