Chord Buddy Guitar Learning Aid Package with True Tune Tuner, Strings & Fender Picks Bundle Start playing from day one! True Tune Tuner, Martin Strings, Fender Picks Included Extremely quick progression. Proven, effective, all-in-one system, suitable for all ages Helps you make the C,D,G & E mino Chords and works on acoustic and electric Guitars The Chord Buddy works on all standard dreadnaught, full-size, 3/4 and 5/8-sized acoustic and electric guitars with average to low string height and a neck width of no less than 1 1/2" and no more than 1 7/8" This version is for right-handed guitars only. Please measure your guitar neck berfore ordering. If you neck is over 1 7/8" you need the "classical" version. This version will not work on 1/2 size or childrens guitars.