- Improve finger strength for athletes (basketball,rock climbing enthusiasts, fitness, tennis, baseball, boxing, tennis, golf and shooting) and musicians (guitar players, bass players, pianists and violinists). 

-Help prevent injuries and muscle imbalances from the overuse of "crushing" type hand and finger grip exercises.

-The strength trainer is ergonomically designed and fits well for all hand sizes, which perfect for men, women, seniors and teens. It is great to fit into your gym bag or handbag. You can get repetitions in while commuting, at the office or anywhere!

-Portable, durable, no odor, no stains, no edges, no noise, easy to use. exercise kit for seniors, to -provide physiotherapy and therapeutic rehab to find relief from a life time of knuckle use. 

-For physical therapy and stroke patients, the different balls are used daily to restore range of motion. 

-Free of the "squeaky" noise some some traditional grippers make so that you don't disturb anyone around your and most importantly for your own sanity

Color: green(light), blue(medium), orange(heavy)

Material: BPA free silicone

Size: 9.5cm(3.74in) × 7.5cm(2.95in) × 0.6cm(0.24in) APPROX

Quantity: 1pc

Note:

Transition: 1cm=10mm=0.39inch

Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.

Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

1 × Silicone Finger Trainer