Additional features:Complete with recycled composite wood strikerTube diameter: 1.45 inchesCrafted by sound therapist Fabien Maman the Grace Note Chimes Winter 54 in. Wind Chime harmonizes the element of water to empower the kidneys which according to Chinese medicine stimulates inner peace. Maman also a well-known musician/composer crafted this chime as part of a larger effort to harmonize humans to their natural environment. Made in the U.S.A.Grace Note Chimes are handcrafted from thick tempered aluminum tubing with a soft brushed finish. Each chime features a wood striker made of recycled composite lumber which is environmentally friendly and creates a softer contact sound when applied to aluminum tubing. These strikers are not subject to drying or cracking and require no maintenance. Both the stainless steel hanging ring and the custom-made braided Dacron string are weather-resistant for years of enjoyment.Wind Chime Length: The length of a wind chime is measured by the overall length of the chime (not tube length) from the hanging hook to the end of the sail. This wind chime is 56 inches long overall.About Grace Note ChimesIn 1982 musician Jeff Kile was living in a rural Louisiana tree house and playing music on the street for spare change. Jeff's love for music combined with his natural surroundings sparked an idea for creating the ultimate wind chime. Harmonically tuned aluminum wind chimes were already being marketed but Jeff envisioned a windchime with a unique suspension design. All of the wind chimes on the market used a similar suspension that utilized string through holes in the top of the tubes. This suspension technique reduced the resonance of the chimes. By placing pins inside the tubes at the resonant node (the spot on a vibrating tube that doesn't vibrate) Jeff eliminated the interference of the string against the tubes. This innovative design resulted in longer and clearer resonance. The original Grace Note Wind chimes were tuned by ear to notes