Description/Features: 1. The scaled product technology is and exquisite, and the supply is stable. 2. All use Class A ferrules, with perfect detection and low loss. 3. Strong adaptability, can be used repeatedly, and has a long service life. 4. Simple and convenient installation and maintenance, low cost of use. 5.Field assembly design allows for quick and efficient installations without the need for additional tools or epoxy. Specification: Ceramic ferrule concentricity: Less than 1.0 Ceramic ferrule aperture: 0.1253mm Buried fiber length: 4-6mm Applicable scope: 2.0 x 3.0mm leather cable Bare fiber diameter: 0.125mm (657A&657B) Coating layer diameter: 0.250mm Applicable mode: single mode Average insertion loss: 0.3dB Return loss: UPC45dB, 55dB Fiber tensile strength: 4N Optical cable tensile strength: 20N Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: As Shown Material: plastic Package Contents: 50 x Optical Fast Connector Only the above package content, other products are not included. Note: Light reflection 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.