1. : The calf stretching board revolutionizes muscle training, allowing you to comfortably stretch and flex your muscles anytime, anywhere. and foldable design, featuring nonslip soft pedals and a sturdy construction. 2. 9Angle Adjustable Design – Elevate your calf stretching routine with the 9angle adjustment feature of the calf stretching board, tailored to your body's unique flexibility. Gradually increase the angle for deeper stretches, helping improve flexibility and strengthen muscles. 3. Material Made from highquality ABS material, this calf stretching board boasts a stable triangular structure for stretching of the Achilles tendon, foot muscles, calves, and hip joints. It enhances muscle sensitivity during workouts and ensures optimal results. 4. HeavyDuty Roll Design With an unmatched load capacity of 400 kg, this calf stretching board is perfect for correcting bow legs, knock knees, and relieving calf tension. It aids in muscle optimization, achieving goals for strength training and physical rehabilitation.