Adjustable Spring Twister Arm Exerciser:

1. Name: Multifunctional Arm Exerciser 

2. Materials: High - quality steel spring and foam 

3. Dimensions: 65 - 68CM (Adjustable in two levels with different lengths) 

4. Net Weight: Approximately 1.5KG 

5. Applications: Used for exercising arm strength, pectoral muscles, abdominal muscles, etc.