Durable adapter - This fiber optic adaptor can be reused, high precision and good compatibilityLow loss - Sleeve material design with Zirconia ceramics to reduce Insertion loss and prevents ESD damage BurningPortable Size - This FC/LC fiber connector has mini size and lightweightWidely application - Apply To:Telecommunications-CATV Engineering and Maintenance,Optic network Maintenance,Optical Measurement drive engineering,cabling System and other fiber-optic project;excellent performance and stability at Work.colour: blueMaterial: metal + plasticPackage Contents:12 x Fiber Optic ConnectorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.