These are designed to be used to slightly widen your existing nut slots if you are encountering binding in the nut (that ping sound you get when tuning) or if you want to move to a thicker gauge string.
5 String Bass BONE NUT 45mm Flat Base pre-cut string slots 5 String Bass guitar.
Ktaxon 5 String Electric Bass Guitar | Full Size 5 String Bass Guitar Kit
5 STRING BONE NUT 45mm Flat Base pre-cut string slots for 5 String Bass guitar.
Ernie Ball Super Slinky Bass 5 Strings - 40-125 - 2824. For 5 String Bass Guitar
MAGICLULU Golden Brass Acoustic Bass Strings Replacement for 5-string Bass Guitar, Wear-resistant and Easy Installation, Suitable for Musical Instrument Accessories
