Detachable spring exerciser with adjustable resistance Detachable spring steel enables easy force adjustment to match your strength level Quick to change springs so you can consistently find and maintain the proper resistance Dualpurpose expander for versatile training Designed for two uses in one unit, supporting a range of upper body exercises Built to withstand strong traction and adapt to different strength training needs Pectoral and upper body training equipment Ergonomic antislip handles provide a comfortable, secure grip during workouts Suitable for pectoral muscle training, as well as arm and shoulder work Arm pulling and upper back enhancement Specifically strengthens chest, arms, and shoulders Overhead pulldown motion helps broaden and engage the upper back Durable construction and materials Sturdy detachable spring exerciser components for reliable performance Made with spring steel and robust connectors to endure regular use Handles designed for longlasting comfort and control Compact, portable, and easy to use Compact design for home, gym, or travel use Lightweight and simple to store when not in use Compatibility and use scenarios Suitable for exercises such as chest press, chest fly, shoulder work, arm conditioning, and overhead pulldowns Scenarios: Home or gym workouts focusing on chest, arms, shoulders, and upper back with adjustable resistance Warmup or mobility routines to prepare for heavier training Travel or smallspace training, thanks to the compact and detachable design This product maintains its original function and features, offering adjustable resistance with detachable springs, ergonomic handles, and dualuse capability for comprehensive upper body training.