Двухсторонний Усилитель сцепления фортепиано Спорт восстановление гитары палец portable портативное пружинное эргономичное тренировочное оборудование для тренажерного зала фитнеса

Features:
Nvironment-friendly plastic handle, prevent slipping, higher safety.
Double row spring, good elasticity, do not rust.
Two-way force, more fully practice fingers force.
The grip exerciser features small intensity and good elasticity, which is convenient for the user to have grip and finger exercise.
Extremely ergonomic knurling design, super comfortable to hold.
Specifications:
Item type: finger exerciser
Material: plastic
Color: as shown
Size: about 8 x 8.5cm
Package includes:
1pc x finger exerciser
Notes:
Transition: 1cm=10mm=0.39inch
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.