Chordii Roman Numeral Chord Finder Music Theory Wheel (Black)

Chordii is an original music theory wheel for musicians who think in Roman numerals. The front maps every diatonic chord in any key - I through vii° -with tactile sliding buttons. The back is a chord progression reference: 15 progressions, each tagged with an emotional mood. Flip between keys. Find your sound.

Write the song. No app. No screen. Just the theory you need, held in your hand.

Works for guitar, piano, bass, ukulele, and any other chordal instrument. Compact enough for a gig bag, useful enough for a studio session.

• Smooth-turning internal wheel
• High-quality offset printing
• Die-cut for clean, precise windows
• Durable soft touch finish
• Easy-to-read typography
• 100% Handmade in Indiana, USA