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 operation is simple, and the cleaning effect can be continuously obtained during use. 2. A cleaning pen can clean the fiber end face more than 800 times. 3. Cleanliness is above 95%. 4. The cleaning effect on water and grease is much higher than the traditional cotton swab cleaning stick. 5. There are two specifications of 1.25mm (cleanable LC/MU). 6. Easy to use, carry around, and throw away when you run out. 7. After the cleaning is completed, the "click" tone prompts. Specification: Material: ABS Color: Blue Size: Approx. 180 * 18 * 18 mm/ 7.1 * 0.7 * 0.7 in Weight: 21 g Package list: 1 * Clean Pen 1 * English Manual .