Features 1、Made of high-quality materials, it is durable, corrosion-resistant and can be used for a long time 2、The fiber optic pen is designed to specially work well with the female connectors, is an essential tool for optical cable maintenance 3、This instrument can clean the end face of the ring and remove dust, oil and other debris without scratches on the end face 4、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 5、Cleaning system rotates 180° for a full sweep, widely used in optical network maintainers, engineers or equipment, device manufacturers Specification Features: Made of high-quality 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 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