User-Friendly Design The fiber optic cleaning pen features a simple and easy-to-use design, ensuring fast and efficient cleaning of fiber optic endfaces.Suitable for both 2.5mm (SC/FC/ST) and 1.25mm (LC/MU) connectors, making it a practical tool for various optical applications. High Cleaning Efficiency Effectively removes 99% of dust and debris from connector end faces without the need for alcohol wipes, ensuring optimal performance. Durable and Long-Lasting Capable of over 800 cleaning cycles, the pen's one-push mechanism automatically replaces the cleaning wire to prevent secondary contamination. Compact and Lightweight Weighing only 30g, this cleaning pen is portable and easy to handle, perfect for field technicians and maintenance tasks. Quality Materials Made from anti-static resin, the pen is designed to withstand temperatures from -30°C to +70°C, ensuring durability in various environments.