Description: In optical fiber communications, even if the end face of the optical fiber connector plug sticky invisible dirt or small particles. May leads to the optical signal is cut off, or cause the reflected wave fiber damage and even damage the light source. The entire communication cause significant damage to the system, so before the optical fiber connector. You must optical connector ferrule (male), flange (female), the device for cleaning. Cleaner can remove attachments optical connector ferrule/device/module, to ensure the sustainable use and best cleaning results. Operation is very simple in use can continue to obtain cleaning results. After the cleaning is finished, "click" sound prompts. High Cleanliness, One can clean fiber end faces 800 or more, cleanliness 95% or more. The cleaning effect on water and oil stains is much higher than traditional cotton swab cleaning sticks. Optional Type: There are 2.5mm (cleanable SC/ST) and 1.25mm (cleanable LC) two types. Portable And Disposable: Disposable, compact size for easy carrying. Made from anti static resin,which will not do harm to the optical fiber products. Specification: Material: Resin Color: White, Blue Types: 2.5mm SC, 1.25mm LC Size: About 2.5mm,1.25mm Package includes: 1pc x Fiber Optic Cleaning Pen Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.