#MGK-25 Treble Clef Keychain - Let everyone know what your passionate about with this cool Treble Clef Keychain! This music note keychain is made to last with a thick key ring and chain. The "G Clef" is made from quality pewter and is 0.1875" thick. A great music gift for the special musician in your life! Approx. 2.25" L. See more cool Gifts for Singers!