1、The same reliable cleaning results are obtained with each use. 2、Use alcohol-free and waterless cleaning methods. 3、Clean core can be replaced, the cost of use is more economical. 4、It has antistatic properties and will not cause secondary pollution due to static electricity after cleaning. 5、Each cleaning core can be used about 800 times. The Fiber Optic Cleaning Pen is a new and innovative fiber optic connector end cleaner. It is specially used to clean the inner fiber end face of the optical port. In use, it is only necessary to push the cleaner handle to drive the relevant mechanism to finally remove the attachment of the fiber connector ferrule end face of the optical port. It can be used continuously for about 800 times and is durable, cheap and affordable! Features: 1. The same reliable cleaning results are obtained with each use. 2. Use alcohol-free and waterless cleaning methods. 3. Clean core can be replaced, the cost of use is more economical. 4. It has antistatic properties and will not cause secondary pollution due to static electricity after cleaning. 5. Each cleaning core can be used about 800 times. 6. In addition to cleaning the end face of the connector in the optical port, the end face of the common fiber connector can be cleaned. 7. FC/SC/ST "Fiber Optic Cleaning Pen" Clean FC/SC/ST adapter. Specification: Material: ABS Color: White Size: Approx. 180 * 18 * 18 mm/ 7.1 * 0.7 * 0.7 in Weight: 24 g The cleaner can effectively remove the following dirt: Dust (ISO 12103-1) Skin oil residue Salt water residue Alcohol residue Vegetable residue Hand lotion Distilled water residue Graphite T-shirt lint Package list: 1 x Clean Pen 1 x English Manual