2 pcs Fiber Optic Cleaning Pen,Fiber Optic Cleaner Fiber Optic Tools for 1.25mm LC/MU 2.5mm SC/F C/STE2000 Glass Fiber Cleaning Pen Fiber Optic Connec Quick and Fast Effective Cleaning provide fiber optic connector cleaners for fast and effective cleaning of connector end faces, including unused jumper connectors and connectors with adapters inserted. More than 800 Cleaning TimesThe optical fiber cleaning pen is easy to operate and has outstanding cost performance. It has 180 rotating cleaning, effectively removes 99% of stains, and has more than 800 cleaning times. MaterialThe optical fiber cleaning pen is made of anti-static resin material. The dust-free cleaning wire and cleaning agent in the cleaning pen can effectively ensure that the cleaned end surface is free from secondary pollution. ApplicationThe white pen is suitable for cleaning 2.5mm (SC /FC/STE2000) connectors. The blue cleaner is suitable for cleaning 1.25mm(LC) connectors. Reliable ProductFiber Optic Cleaner can removal dust, oil and other debris on the end face of the casing without damaging or scratching the end face. Why We Need to Clean The Fiber End Face 90% of optical fiber connection failures are caused by contamination of the end face of the optical fiber. It is important to ensure that the end face of the optical fiber is clean for network transmission.