Fiber Optic Cleaner,Fiber Optic Connectors Cleaning,Fiber Optic Cleaner Pen With Product Features High-quality and durable?TUTOOLS fiber cleaner ,made of anti static materials,using a dry cleaning cloth to replace the solvent requirements.Over 800 times cleaning 2.5mm SC FC ST fiber connector Quick and Fast Effective Cleaning,Just one motion to clean?TUTOOLS fiber optic cleanser cleaning system ,One-touch design, one push, one second cleaning,rotateing 180for a full sweep, audible click when fully engaged Excellent effect?The cleanliness can reach 95% or above. Especially for water and oil, its cleaning effect is far better than traditional swab cleaning rods Clear Monitoring Window?TUTOOL Fiber Cleaning Pen has a window that allows you to see the microfiber tape, so that you can easily know how much you have left to use (The total amount of use is 800 times? Why need to clean the fiber end face? 90% of optical fiber connection failures are caused by contamination of the end face of the optical fiber. It is important to ensure that the end face of the optical fiber is clean for network transmission.The most simple prevention is to clean connectors Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!