Hand Grip Power Exerciser Strength Trainer Gym Ring Finger Training 30/40/50LB

Description:
Builds up strength in your fingers, wrists, elbows and forearms.
Ideal for Rock climbing, golf, tennis, bodybuilding, guitarists, drummers, pianists and many more.
Helps recover from hand injury, arthritis, tendonitis, carpal tunnel.

Specification:
Color: Green (30lbs); Blue (40lbs); Orange (50lbs)
Material: Silicone
Dia: 7cm / 2.7inch. Thick: 1.8cm / 0.7inch

Package included:
1/3 x Grip Strengthening Rings