These treble clef beads are the perfect item for a person who wants to do make jewelry with a musical theme. They are good making a piece of jewelry to wear to a concert, simply like music or want to add a single treble clef to a charm bracelet or necklace. These large hole beads are appropriate for a heavy piece of jewelry or can be used for many other craft projects. This beading supply is exceptionally nice and features a silvertone finish. Metal. 18mm with a 5mm hole.