Hand Gripper Grip Silicone Ring Resistance Strength Trainer Exerciser

Material--The grippers are made from premium silicone, the high quality item can strenghten your muscle.
Sized especially for adult hands, to maximize the benefits of the exercise and ensure a challenging, yet safe experience.
These rings are great for training athletes, and giving their performance a positive boost.
Fit for men and women.

External external : 88mm
Inside diameter : 44mm

80lb