Rockhouse Circle Of Fifths Wheel Metal Melody Tool Chord Wheel With Stand Holder High Quality: The chord wheel made of durable aluminum alloy, surface oxidation sandblasting, text using laser engraving process. Wooden stand made of solid beech, which can holds the wheel and guitar picks Useful Tool: The key wheel is 4.72'', compact and portable. Front side is a chord structure that shows the corresponding chord progression of all keys. The reverse side simply shows where on the staff each note is located Easy to Use: You don?t need to read the sheet music, just turning the circle then you can quickly figure out the key for the chords, understand key signatures, scales, modes and their relations Music Theory Learning Tool: The circle of fifths wheel is a versatile melody chord tool, helping you explore various harmonies, chord progressions, and melodies effortlessly, enhance your songwriting skills Widely Application: Rockhouse metal melody tool is suit for all instruments, whether you are a beginner or a seasoned musician, this reference tool enhancing your understanding of music theory in a visually appealing way