1Usage: With many hooks in the middle of the wrist resistance bar, the more rubber bands on the hook, the greater the strength required for hand rotation, and the smaller the strength on the contrary. 2Easy Adjust Strength: Increasing or reducing the number of rubber bands on the hook can adjust the strength of the wrist training bar to meet various needs, and the operation is simple and convenient. 3Suitable People: Twist grip bar is suitable for wrist injury, hand function problems and other people rehabilitation training in the elderly fitness exercise, for adults and children over 7 years old 4Excellent Plastic: Twist hand exerciser bar made of plastic material, firm and sturdy, strong and reliable, has good toughness, which is light weight and no harmful substances, used for a long time. 5Elastic Rubber Band: The rubber band is firm and elastic, and the training should be gradually adjusted to suit your own strength, which can effectively increase your finger and wrist strength.