Features:
Professional guitar humidifier can perform humidification and testing simultaneously.
With an indicating needle, precise and durable.
Easy to istall and use, no need to move strings.
High quality sponge inside which ensures humidifying evenly.
A good maintenance tool for guitar ukulele to prevent cracking.
Size Chart: approx. 50x82mm/1.97x3.23inch

Package inlcude:
1 * Guitar Humidifier

Note:
Colors might be different due to different monitor display.
Please allow slightly difference in size due to manual measurement.