Acoustic Electric Tree of Life Music Guitar Bass DIY Neck Fretboard/Fret Inlay Sticker/Stikers Silver Thin It is fit for any type, 19 frets, 20 frets, 21frets, 22frets and 24 frets. Electric guitar, acoustic guitar. Easy to install and remove quickly at any time. Make your guitar looks more beautiful and eye-catching. You'll not feel strange when you playing the guitar due to the ultra thin design. It won't change the sound effect.