Be prepared for every design with the sterling silver cable and stringing thimble 250-piece bulk pack. Cable thimbles are a great way to protect your wires from fraying as it rubs against the metal of your clasps. These sterling silver cable and stringing thimbles will help you accomplish that task with their simple, yet elegant design. Use them to finish necklaces, bracelets or earrings. The thimble hole is .021 inches, allowing you to use it with jewelry wire up to 24 gauge or .020 inches. Just use your favorite wire and crimp tube with this wire guardian and you'll have a piece that is sure to become an instant classic.