Feature: 1. ANTISTATIC RESIN: The cleaning pen is made of antistatic materials, dust free cleaning filaments and cleaning reagents to ensure no secondary contamination by dust. 2. GREAT CLEANING EFFECT: With a cleaning capacity of 99%, our fibre optic cleaning pen is very efficient and saves time and effort. 3. SMALL AND PORTABLE: Compact and easy to carry around, this fibre optic cleaning pen is suitable for 1.25mm fibres and is always available for cleaning needs. 4. DURABLE: The cleaning pen can be cleaned more than 800 times and the cleaning filament can be replaced automatically at the touch of a button. 5. EASY TO USE: The cleaning pen removes dust, debris, etc. from the end surfaces of optical fibres without the need for alcohol wiping. Specification: Item Type: Fiber Cleaner Pen Material: Antistatic resin Cleaning Times: >800 times Cleaning Capacity: Up to 99% Range of Application: For 1.25mm (LC, MU) Storage Temperature: -30-70℃. Package List: 1 x Fiber Cleaner Pen1 x Instruction