Featuring patent-pending Slide-Guide„¢ technology that provides stable and consistent cleaning performance, the FCC-300 universal fiber connector cleaner is the perfect tool for cleaning a large variety of fiber connectors. This connector cleaner features the following: Automatic œClean and Advance tape technology provides a fresh cleaning surface after each swipe, eliminating waste and guaranteeing long tool life Cleaning and tape advance occurs in either direction, only one swipe is needed to clean the connector end-face Works on both Simplex or Duplex fiber applications and supports both PC and APC end-face designs Compact, hand-sized unit can be used for over 500 cleanings Static-free housing and cleaning cloth make this tool perfect for ESD-safe work Applicable Connectors: Simplex FC, SC, ST, LC, and MU (for PC and APC) Duplex LC/PC (Standard Pitch 6.25 mm and Narrow Pitch 5.25 mm) Duplex MU/PC (Standard Pitch Width 4.5 mm)