Daprofe Bass Guitar Blues Scales 22 Fret Note Map Removable Vinyl Fretboard Stickers Learn major and minor blues and pentatonic scales quickly Printed on high quality German Made Oracal removable vinyl and laminated withstand hard playing and perspiration ink will never wear off Fits full size electric and acoustic steel string guitars with a nut width of 1 5/8 to 1 11/16 Alignment marks and easy installation video link