Features： 1、One Touch Cleaning: We use fabric cleaning material for this pen, so you don't have to rely on solvents to do most jobs, making the job more comfortable. 2、Clean Ends And Ports: Our fiber optic pen cleaner can be used as a tip cleaner and a fiber optic connector cleaner, so you can match it to your situation. 3、Improve Signal Speed: This cleaner improves signal speed by removing debris from fiber optic cables and connectors with powerful and stable performance. 4、Small And Portable: Our fiber optic cleaning pen is small, light weight and portable, you can always take the cleaning pen with you when you need it and easily store it when you don't need it. 5、Improve Efficiency: This cleaning pen can improve efficiency and reduce on site leakage, making cleaning easier and the operator in a better mood. 6、Wide Applications: There are two types of cleaning pens in the package, the first one is 1.25mm, suitable for LC, MU. The second type is 2.5mm, suitable for SC, FC, ST, E2000. Specification： Item Type: Fiber Optic End Face Cleaning Pen Material: Anti Static Resin Cleaning Times: >800 times Cleaning Capacity: 99% Application Range: 1.25mm (LC, MU) 2.5mm (SC, FC, ST, E2000) Package List： 1 x LC MU Cleaning Pen 1 x SC FC ST E2000 Cleaning Pen 2 x Instruction Manual