Features Wide application: The optical fiber pen can be cleaned by 180° rotation in all directions, and it is widely used in optical network maintenance personnel, engineers or equipment and device manufacturers. Keep It Clean: The fiber optic cleaner can clean the end face of the ferrule, remove dust, oil and other debris, and keep the end face free of scratches, which is practical. A must-have Tool for Fiber Optic Cable Maintenance: The fiber optic pen is specially designed for use with female connectors, and the fiber optic cleaning pen is a must-have tool for fiber optic cable maintenance. Ease of Handling: Attachments on inserts/devices/modules for fiber optic connectors can be removed with a simple click to ensure optimum cleaning. Durable: The fiber optic end face cleaning pen is made of selected plastic material, which is durable and scratch-resistant for long-term use. Features: Made of selercted materials, it is durable, corrosion-resistant and can be used for a long time. The fiber optic pen is designed to specially work well with the female connectors, is an essential tool for optical cable maintenance. This instrument can clean the end face of the ring and remove dust, oil and other debris without scratches on the end face. The attachment on the insert/device/module of the optical fiber connector can be removed with a simple click to ensure the best cleaning effect. Cleaning system rotates 180° for a full sweep, widely used in optical network maintainers, engineers or equipment, device manufacturers. Specification: Condition: 100% Brand New Material: Plastic Type: KOC-250, KOC-125 (Optional) Application: KOC-250 Fit for FC, SC, AT, E2000 2.5mm; KOC-125 Fit for LC, MU 1.25mm/2.5mm Weight: Approx. 33g / 1.2oz Applications:  1. Fiber network panels and assemblies 2. Outdoor FTTX applications  3. Cable assembly production facility  4. Testing laboratories  5. Server, switches, routers and OADMS with SC and LC interface Package List: 1 x Fiber Optic Pen 1 x Instruction Manual Package List