Specialized tool for cleaning optical connectors (Cleaning Pen), model FOCP-2-5mm. This is a convenient and effective cleaning pen designed for the dry cleaning of 2.5mm optical connectors (SC, FC, and ST types) and adapter ferrule end-faces. With a single push (One-Click mechanism), it easily removes dust, oil, and other debris from the optical fiber ends, preventing signal attenuation or loss. A single pen provides over 800 cleaning cycles. It is an essential tool for the maintenance and installation of fiber optic networks.