Portable Adjustable Spring Arm Exerciser Muscle Training Fitness Arm Bar, 30-40kg

1. The integrated rod spring evenly distributes the force throughout the entire rod, ensuring continuous force transmission throughout the body, without any interruption or breakage
2. The thickened high elasticity steel spring remains undamaged after 10,000 bends, doubling the fatigue resistance life
3. The entire rod is evenly subjected to force, resulting in smooth force application and stable resistance during training without any attenuation
4. Four training postures allow for comprehensive training of the chest, shoulders, and arm muscle groups
5. The honeycomb anti-slip grip and safety anti-slip rope provide dual protection to avoid bumps
6. The high-toughness steel is resistant to bending and fatigue, making it durable and convenient for long-term use at home
7. Usage: xercises for pectoral muscles, biceps, latissimus dorsi, abdominal muscles, etc
8. Materials: high quality steel spring, TPR, PP