1. Material: ABS, rubber band, strength air cotton
2. Exercise wrist and forearm muscles
3. Applicable people: Rehabilitation training for people with wrist injury, hand function problems, etc., fitness exercise for middle-aged and elderly people
4. Suitable for adults and children over 7 years old
5. Strength adjustment instructions: The more the rubber band scratches the T-shaped hook, the greater the force of hand rotation, and vice versa.
6. Dimensions: 26 x 4.8 x 10 cm
7. Weight: 200 grams