Mark! Set! Go! Instrument Fingerboard Tape: Silver Tape with Black Felt Developed by Pearl Jones so both teachers and students can have a convenient way to mark finger positions on their instrument These silver precut glossy strips easily lift off and no time is wasted trying to remove their backing 2" long by 3/16th" wide and fit all sizes of violins and violas Enough for 6 instruments Precut felt adhesive squares are included. The squares can be used to mark thumb position placements as well, if desired