The NSI Industries Fiber Optic Pen-Style Cleaner is specifically designed for cleaning 1.25mm ferrules. This compact and easy-to-use tool effectively removes dust and debris from fiber optic connectors, ensuring optimal performance and signal integrity. The pen-style design allows for precise application, making it ideal for both field and workshop use. Constructed from high-quality materials, this cleaner is durable and reliable, meeting industry standards for fiber optic maintenance. Regular use of this cleaner helps prolong the life of fiber optic connections and enhances overall system performance.