Perfectly tuned in the Pentatonic scale by musical instrument maker Jacob Sokoloff. The blending of its three notes creates a pleasant & musical effect when struck by the hematine clapper. Cast metal and aluminum. Overall dimensions: aprox. 12" x 2" x 1". Longest pipe is 3.3". The Little Piper Wind Chime is made with weatherproof materials, so hang it in the kitchen, the garden, the car, in a window -- almost anywhere! The image is finished with an antique brass plating. We make music everywhere we go! Proudly made in the USA.