These 2.5mm CleanStixx Fiber Optic Swabs help fiber optic networks run faster and more reliably. The Sticklers® 2.5mm Cleanstixx Optical Grade Cleaning Swab works best for OptiTap and Pin Termini applications. The Cleanstixx 2.5mm works well with the Sticklers® Fiber Optic Splice and Connector Cleaner cleaning fluid (#POC03M) in wet-dry