[Sturdy and ]: Constructed with high-quality aluminum alloy material, this chord wheel is solidly built for long-lasting use. The features an exquisite sandblasted oxidation , giving it both a sleek appearance and a design. [Versatile and Educational]: The 7 holes on the faceplate correspond to the chord degrees of different scales, making it easier for beginners to learn and master chords in various keys. With a comprehensive collection of 72 commonly used chord diagrams on both sides of the base plate, including major thirds, minor thirds, diminished sevenths, dominant sevenths, and more, this tool provides ample resources for music learning. [Convenient Accessories]: Along with the chord wheel, you will also receive a portable storage bag and a sturdy base stand. The base stand not only holds the wheel securely but also has a built-in compartment for storing picks, ensuring that everything stays organized and within reach. [Precision Craftsmanship]: The text on the chord wheel is laser-engraved using advanced technology, guaranteeing clear and sturdy markings. This attention to detail enhances usability and simplifies the process of understanding and navigating through different chord progressions. [Ideal for Beginners]: Whether you are just starting your musical journey or looking to expand your knowledge of music , this chord wheel is an indispensable tool. Its user-friendly design and comprehensive functionality the perfect companion for musicians of all skill levels, helping you develop a understanding of the circle of fifths and improve your overall musical abilities. Colour:Black Material:Aluminum Alloy Size:Diameter 12.4cm/4.9inch,Thickness 1.5mm Package Contents: 1 x String wheel circle of fifths Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.