Three adjustable resistance levels ranging from 66 to 110 lbs, fit beginners, intermediate and advanced fitness users.

Multi-functional spring expander targets chest, shoulders, biceps and upper arm muscles for comprehensive upper body training.

Lightweight portable design, small size for storage at home, office or travel, workout anytime anywhere.

Secure thickened spring structure and non-slip hand grips ensure stable holding and safe exercise without accidental rebound.

Easy one-step resistance adjustment, no complicated tools required, great compact fitness gear for daily strength training