Provides a complete strength training solution for fingers, hands, wrists, and forearms for children to improve their precision, control and agility for violin, clarinet, keyboard, flute, piano etc. musical instruments.
Each one of the five pistons can be manipulated independently to meet anyone''s special demand according to their own conditions.
Adjustable tension ranges from 2-5 pounds, which can be adjusted by rotate the down regulator.
Comfortable grip with the soft silicone equipped anti-slippery anti-sweat bottom base and upper buttons.
Lightweight and compact for easy carrying to anywhere you want. Just put it in your pocket or bag and begin your finger training when you are waiting for the bus, taking subways, or any other time when your hands are free and have nothing significant to do.

Technical Details

Product Details

Package Dimensions
Width : 5.51 inch
Height : 1.18 inch
Length : 6.69 inch

Shipping Weight: 2.88 ounce (View shipping rates and policies)

ASIN : B01JLV24OI