JFTE-CIA-FCP02 Fiber optic cleaner pen is mainly used for cleaning adapters and ferrules of connector.Cleans SC/FC/ST φ2.5mmadapters and ferrules. Customers can choose the cleaner pen depending on the type of connector. Both cleaning pens have a built-in dust-free cleaning cloth, the cleaning cloth wheel will rotate and drive the cleaning cloth to move when push the outer shell of the cleaner pen, this is effective in removing dirt stains.