Our 30" 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 7/8" diameter, sentiment is printed directly onto the tubes. Chime Tubes Read: "God didn't promise days without pain, laughter without sorrow, nor sun without rain, but He did promise strength for the day, comfort for the tears, and light for the way. " L: 30" Show Less