Daprofe Bass Guitar Fretboard Note Map Fingerboard Removable Vinyl Stickers 22 Fret Coverage Fits full size 4 string bass guitars with a nut width of 1-1/2 to 1-3/4 inch Printed on high quality German Made Oracal removable vinyl and laminated withstand hard playing and perspiration ink will never wear off Easily see the notes, fret numbers and string numbers on the fretboard up to the 22nd fret Alignment marks and easy installation video link