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. Each Chime Tube Reads: God grant me the serenity to accept the things I cannot change, courage to change the things I can and the wisdom to know the difference. Dimensions: 30"L