For general hand strengthening and grip exercisers
Color-coded resistance levels
More About This Product
CanDo Fixed Resistance Grip Exerciser For general hand strengthening and exercise. Exercisers are sold in pairs and are color-coded by resistance level:
Yellow Xtra Easy Grip Exerciser requires 3 lbs. to close
Red Easy Grip Exerciser requires 6 lbs. to close
Green Medium Grip Exerciser requires 12 lbs. to close
Blue Hard Grip Exerciser requires 24 lbs. to close
Black X-Hard Grip Exerciser requires 48 lbs. to close