Fiber Optic Cleaner Pen is designed to specially work well with the female connectors, this inst ent cleans the ferrule end faces removing dust, oil, and other debris without nicking or scratching the end face. One Click 2.5mm SC ST FC and 1.25mm LC MU Connector Fiber Optic Cleaner and SC/ST/FC and LC/MU Optical Fiber Cleaning Pen,Super Work well with the SC FC ST LC and MU connectors, this inst ent cleans the ferrule end faces, removing dust, oil, and other debris without nicking or scratching the end face. Easy pushing motion engages connector and initiates cleaner with 800+ cleanings per unit;Made from anti-static resin Cleaning Micro-fibers are densely stranded and debris free;Extendable tip reaches recessed connectors;Cleaning system rotates 180 degree for a full sweep Applications: Fiber network panels and assemblies Outdoor FTTX applications Cable assembly production facility Model Number: 1.25mm/2.5mm Universal Name: Fiber Optic Cleaning Pen SC fiber optic cleaning pen fiber optic adapter flange clean cleaner One-fiber cleaner Suitable for SC / FC / ST 1.25/2.5mm Colour:Blue + white Material:Metal + plastic Size: about 19cm Package Contents: 1* Fiber Optic Cleaning Pen SC 2.5mm 1* Fiber Optic Cleaning Pen SC 1.25mm 1* Instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.