The Chemtronics 25123X 1.25-mm Swabs clean contamination from 1.25-mm fiber optic sleeves and polishing pucks. They fit snugly and conform to all 1.25-mm mating sleeves, adapters and slurry polishing fixtures such as LC and MU ports and jumpers, with either UPC or APC polishes. Use wet or dry to remove dirt and oil. The swabs are free of seams, hard surfaces and adhesives.The 25123X fiber optic cleaning swabs come in a package of 100.