The Fiber Optic Cleaning Pen is a compact and effective tool for cleaning fiber optic connector end faces. Designed for SC, FC, ST (2. 25mm) connectors, it quickly removes dust, oil, and debris to ensure stable signal transmission and reduce connection loss. this cleaner efficiently removes. The electric fiber endface cleaning pen can completely remove anhydrous stains from the fiber endface and carry the stains away; Its high rotation speed achieves an effect similar to endface polishing, making it especially suitable for stubborn stains on fiber endfaces that haven't been cleaned for. The complete solution for precision end-face fiber optic cable cleaning. We offer pre-stocked kits with a variety of cleaning tools and can also build you custom kits to meet your specific application needs.