Professional Piano Hand Orthoses Wrist Braces Exerciser Hand-Type Gesture Corrector Necessity Tools for Piano Beginner

Features:
Professional Piano gesture corrector set is specially designed for preventing or correcting the false gestures when they are playing the piano, developing the good habit of playing, laying a good foundation for an excellent pianist, best for beginners or who want to correct.
The wrong gestures or unconscious bad gesture, like raising their wrists, keeping several fingers upright, leaving thumbs away from the keys, sinking metacarpal down and more.
It comes with 2 * Arms, 3 * Aluminum Alloy Limit Lever, 2 * Connectors and 2 * Connector Base, easy to install; the length is a little adjustable between connector base, suitable for piano with 1.4m-1.5m wide(8 octaves).
Arm is mainly made of durable ABS engineering material, premium silicone sucker on the arm can provide proper adsorption for close fitting and not damaging the piano surface, also the switch design for adsorbing easily.
Limit Lever is made of aluminum alloy, durable and stable; and its surface is sandblasted to prevent corrosion and fade.

Specifications:
Color: Black
Material: Aluminum Alloy + ABS
Fit For: 1.4m-1.5m Wide Piano
Hand-type Orthoses Set Included: 2 * Arms, 3 * Limit Lever, 2 * Connectors and 2 * Connector Base.
The Length of Aluminum Alloy Limit Lever (each one): Approx. 42/16.5in
The Length of Connector Thread(each part): 1cm/ 0.4in
Package Size: 48.5 * 14.5 * 10.5cm/ 19 * 5.7 *4in
Package Weight: 957g/ 34oz

Package list:
1 * Set of Hand-type Orthoses
1 * User Manual