High-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringHigh-strength SpringProduct information:
Product Name: Arm Strength 
Material: Carbon steel, plastic 
Packing: One pack 
Precautions: 
1. Please check whether the connecting parts of the arm strength device are firm and whether there is any looseness before use. 
2. Please choose an arm strength machine suitable for your own fitness level to avoid muscle strain. 
3. When using, put the seat belt on the armrest handle on your wrist. 
4. When using, you should choose a spacious venue for exercise, so as not to drop your hands and hurt people. 
5. It is recommended that children under 12 years old do not use arm strength equipment.