Regal's Precision-Tuned Patina Breeze Wind Chime captures the sentiment of outdoor wonder Its subtly textured canopy and leaf shaped sail, both crafted to resemble a rustic copper patina finish Major Hexatonic scale and emphasizes the precise pronunciation of each note Each tube is hand-tuned to be within 15-cents of an exact pitch of a musical note 6 Aluminum Tubes 1 diameter Steel Sail and Canopy Notes: F, G, A, C, D, F Hand Tuned, Notes: F, G, A, C, D, F