Protect stringing materials from excessive wear with Wire Guardians. Reduce abrasion from clasps or other sharp-edged components. Perfect for use with the Beadalon Watch Faces, described below. Use Wire Guardians in the same way you use French Wire; the only difference is the Wire Guardian is rigid. Size #1 is for wire diameters up to 0.53mm (.021") and size #2 is for wires up to 0.66mm (.026") in diameter.