Key Features: 1. 4 Muscle-Specific Targeting Zones (Chest/Shoulders/Back/Arms) 2. 16mm Anti-Fatigue Textured Grips 3. Anatomic Trajectory Optimization 4. Triple-Point Non-Slip Stability (0.82 ) 5. Laboratory-Validated Biomechanics Tech Specs: - Size: 62×16cm (24.4"x6.3") - Grip: 6cm width | Material: Reinforced ABS - Max User: 150kg (330lb) Critical Protocols: Align hands with colored target zones Pre-workout stability check Maintain 45 wrist angle