Package Content: You will receive 2 piece of wooden melody tool, which provides practical chord applications and helps you identify key-related chords and analyze progressions instantly. Premium Material: Made of quality wood, sturdy and the is smooth without burrs, not easy to break or deform, and can be used for a long time. Multifunctional: This wooden melody tool is suitable for beginners, intermediate and professional musicians, helping enhancing your music journey by providing music inspirations. Musician's Companion: This circle of fifths wheel tool helps you unleash musical creativity and discover natural harmonious chords and notes in keys, making your chord progression easier. Wide Application: Our circle of fifths wheel tool is perfect for all instruments, such as piano, guitar, etc. It's an useful tool for learning chords and scales and helps you understand music and . Colour:Wood color Material:wood Size:12.5x12.5x1.2cm Package Contents: 2 x Wooden Melody Tool 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.