1. Steel springs for durability. 2. Exercise muscles in various parts of the body, such as the arm muscles, biceps, chest muscles, and abdominal muscles. 3. Can be used in bedrooms, living rooms, study rooms, etc. 4. Suitable for a wide range of people. 5. Power level: 40kg. 6. Body length: 60cm. 7. Spring diameter: 3.8cm. 8. Spring length: 25cm. 9. Handle length: 10cm.
