Adjustable resistance: Three-hole design for customizable strength levels (30kg/40kg/50kg)
Ergonomic U-shape: Comfortable grip and optimal arm training positioning
Durable construction: High-quality steel pipe, collodion, and spring materials
Compact and portable: Ideal for indoor home fitness use
Type: Spring arm stretcher
Material: Steel pipe, collodion, spring
Resistance levels: 30kg, 40kg, 50kg
Color options:
Black-red (enhanced version)
Black-blue (upgraded version)
Black-gray (enhanced version)
Yellow-black (enhanced version)
Arm stretcher*1