Our 30 inch sonnet chimes have 5 heavy walled, center pinned tubes that emit deep tones. All aluminum construction, durable powder coated and anodized finish, and strung with industrial cord. Each chime has an adjustable striker. Tubes are 0.875 inch in diameter, sentiment is printed directly onto the tubes. Dimensions: 30 L Chime Tubes Read: Those we love don't go away, they walk beside us every day, unseen, unheard ; but always near ; still loved, still missed and very dear.