brand new and high quality Features: The fast connector is designed for high quality and high efficiency for installation the structure of crimping position is a unique design, and need not gluing, polishing neither any consumables. adopted fiber pre-installed structure could be reused, and convenient for field installation. New structure design at crimping position, no need to inject glue and polish, save material,High optical performance. Fast and reliable installation,high success rate,easy operation,can repeatable use. Specifications: Item Name: Fiber Optic Fast Connector Model: LC / UPC Insertion Loss: 0.50dB Return loss 50dB Main Color: Blue Length: 45mm/1.77in Operating temperature: -40C to +75C. Storage temperature: -40C to +85C Quantity: 10 Pcs Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Contents: 10 x Fiber Optic Connector