Fiber Optic Cleaning Swab is easy to clean all types of 1.25mm sized fiber optic connectors. | Material: each foam swab head is made from the open-cell foam securely bonded to a poly shaft. | Can protect the end face of the fiber optic connector without damage. | No cleaning agent required, direct scrub end face of the fiber optic connector on two pollution adapters. | Long Foam Tip Sponge Stick, Easy to use in works and factories.