Exterior Material: Made of carbon steel spring + ABS plastic handle + silicone anti-slip layer, the bar offers a sturdy and durable construction with a comfortable handle feel. The silicone coating increases friction and prevents slipping while gripping, ensuring both safety and comfort.

Handle Design: The ergonomic handle with an anti-slip design ensures hand stability during high-intensity training, preventing slippage caused by sweat and enhancing user safety. The handle has a moderate diameter to accommodate various hand shapes.

Spring Design: The carbon steel spring provides excellent resilience and resistance, providing variable resistance levels based on training intensity. It is suitable for both beginners and advanced users, helping to improve arm and upper body strength.

Function and Training Effect: Designed for training muscle groups such as biceps, pectorals, latissimus dorsi, forearms, and shoulders. Through compression and stretching movements, it enhances muscle strength, endurance, and arm coordination. It can also be used for rehabilitation training or home fitness.

Advantages of home fitness: small size, easy to carry and store, suitable for use at home or in the office, does not take up space, and can provide effective full-body upper limb training.