Maintenance String Changing Tool
All in one tool kit for Guitar, Bass, Mandolin, Banjo etc.
Includes String Organizer & String Action Ruler & Gauge Measuring Tool & Hex Wrench Set & Guitar Files.
Ideal for string instrument cleaning, maintaining and repairing, keeps your instrument in good playing condition.
Also can be change strings, set intonation, adjust action, check string height & so on.
Material: Metal & Plastic
Suitable: for Guitar/ Bass/ Mandolin/ Banjo