Blue










1. Scientific U-shaped structure- Ergonomic design, fits the curvature of the palm, reduces wrist pressure- Two-way rebound design, dynamically strengthens muscle control ability2. 2-speed resistance adjustment- Freely switch 30kg-40kg resistance to meet the needs of novice to advanced training- Knob-type regulator, quickly switch training intensity in 3 seconds3. Full body shaping tool- Explosive force enhancement: quickly improve the instantaneous strength of arms, chest muscles, and back muscles- Endurance training: sculpt forearm lines and say goodbye to the "thin dog" label4. All-rounder in scenes- High elastic TPE non-slip grip, office/home/outdoor training at any time- Only 1.5kg weight, easily put into the gym bag after folding5. Safety black technology- Military-grade spring steel, 30,000 rebound tests without deformation- Double insurance buckle to prevent accidental release






















