Finger Trainer Hand Grip Force Span Adjustable Piano Guitar Five-finger Exercises Strengthener Musical Instrument Accessories

FEATURE
* Small and exquisite, lightweight and portable, easy to carry.
* The precise structure design allows the product to have a higher quality limit, avoiding the button damage caused by the instant hanging of the button spring.
* The use of pure copper nut and screw core design greatly improves the smoothness of the operation, fast and accurate, and more robust.
* The finger strength can be adjusted to meet the needs of diverse finger strength exercises.
* Widely used for finger exercise when you play guitar, piano, bass, ukulele, saxophone, violin or orchestral instruments.

SPECIFICATION
Name: Finger Trainer with Adjustable Span
Color: Gray, Orange
Material: ABS + Metal
Strength: adjustable 3-8.5 LBS
Size: approx. 105x66x23mm
Adjustment strength of pure copper inner core (increase the strength clockwise, decrease the strength counterclockwise).

PACKING LIST
1 x Finger Exerciser

NOTE
1. Please allow 1 - 2cm difference due to manual measurement.
2. The product's color will be slight different by different monitor.