Features [20 Sets] The pack comes with 20 pieces of SC embedded fiber optic fast connectors and accessories, providing an ample solution for connectivity needs. [Low Insertion Loss] Utilizing A grade three rings cores, these connectors have low insertion loss, ensuring high performance and transfer. [Wide Application] Suitable for FTTH projects, can be used for fiber optic cables with a diameter of 0.125mm and an outer diameter of 0.250mm. [Stable and Lasting] These fiber optic fast connectors are made from PTB material, ensuring stable performance and durability. [Quick Installation] The SC fiber fast connectors provide a simple installation process, allowing for quick and efficient connectivity solutions. Spec: Item Type: Fiber Optic Cold Connector Material: PTB Compatible Cable Size: 2.0x3.0mm rubber covered wire Fiber Diameter: 0.125mm Outer Diameter: 0.250mm Applicable Mode: Single Mode Operating Time: 10s Average Insertion Loss: ≤0.25dB Return Loss: Angle Physical Contact≥60dB Cable Tensile Strength: >30N Operating Temperature: 40℃ to +85℃ Temperature Cycling Test: ILHigh Temperature and High Humidity Test: ILDrop Test: IL How to Use: Directly use. packing list: 20 x Fiber Optic Cold Connectors 20 x Accessories Package List 20 x Fiber Optic Cold Connectors 20 x Accessories