OS1 OS2 LC to LC (Female to Female) Duplex Fiber Optic Adapter/Connector with M2*6MM Screw. LC adapters use ceramic housing to connect between two LC fiber optic cables. Adapters can lock the contacts and provide low insertion loss for the transfer of optical signals. Our LC fiber optic adapters are suitable for fiber patch panels, which means you can use them in all types of enclosures with rectangular cutouts. Key Features: Material: Plastic Color: Blue Package Includes: 5 x LC Fiber Optic Adapter Note: Only the above package, other products are not included. Please note that the color of the object on the picture may differ slightly from the actual color due to light photography and different screens. The allowed measurement error is +/- 1-3 cm.