3.2mm (Medium) antiqued copper plated brass ball chain clasps, for use with 3.2mm bulk ball chain. Antiqued copper plated components are often used to give jewelry a warm and vintage look. These clasps hook both ends of the chain together, to make a necklace or a key ring. If the clasp appears too tight to fit on your chain, gently loosen the clasp with an awl or chain-nose pliers. Color and finish on these mystic red antique copper plated ball chain clasps may vary. Occasionally mystic red antique copper plate may have sections of incomplete or damaged plating.