4 resistance level: Its rally value is from 20 to 50 lb, different colors correspond to different velocities. Progressive levels resistance allows the difficulty of each workout to be gradually increased as your grip improves.
Function and application: Hand Exercise Rings build strength in fingers, hand, wrist and forearms. Varied activities, including crushing, pinching and extensions to improve the dexterityof both the fingers and hands. Perfect for athletes, musicians and physical therapy patients.
Designed to fit your hands perfectly: This grip trainer makes you feel comfortable when do hand exercise. You know these hand strength grip are the right choice.
Exercise your hands anywhere: You can use your hand strengthener at home, office as the rings are lightweight and easy portable. It is perfect for rock climbing, guitar playing or other activities.
Color and resistance: 1 x yellow-20-pound resistance, 1 x green-30-pound resistance, 1 x lake blue-40-pound resistance, 1 x orange-50-pound resistance