Music Nomad's Cradle Cube String Instrument Neck Support is made of an innovative soft gel material to gently yet fully support either side of the neck while you change strings or do repairs. With five varying heights and angles, it works great for all string instruments, including acoustic guitars, electric guitars, ukuleles, violins, banjos, mandolins, and more. Safe to use on all instrument finishes, the Cradle Cube helps you change strings quicker and do repairs and maintenance in a secure and sturdy way. You can even flip it over and store tools in it when not using it as a neck support. Forget using a pillow or your lap to support your string instrument while you work; the Cradle Cube provides a better way to work on your string instrument. • Innovative and functional neck support cradle for all string instruments • Features five angles and heights for a custom fit • Soft gel support is safe on all finishes • Change strings quickly and easily • Full support to the back and front of the neck