- steel
- Made in the USA or Imported
- Device– reduces stress on wrists and forearms, compared to most other chest exercisers.
- Chest expander bands– detachable spring steel for adjustment, easy find the proper strength you want. chest expander spring exerciser
- Devices– plastic handle, easy to pull, the spring is not easy to rust, and the spring can be increased or decreased according to individual strength.
- Detachable spring exerciser– ergonomic anti-slip handles provide a comfortable grip.
- Chest expander– can withstand a strong traction force and adapt to various strength training.
