Targeted Relief & Recovery: Helps stretch tight calves, relieve plantar fasciitis and Achilles tendonitis, and improve ankle mobility. Suitable for athletes, office workers, and anyone needing daily lower-leg relief. Heavy-Duty Support: Constructed from high-strength plastic, the calf stretcher safely supports up to 400 kg (881 lbs), providing stable, secure use for a wide range of body types. 11-Level Adjustable Design: 11 incline settings for customized intensity. Gradually increase the angle for a deeper stretch tailored to your recovery or fitness routine. Non-Slip Surface & Base: Textured anti-slip top surface and rubberized base grip feet and the board, minimizing the risk of slipping during use. Use scenarios: - After running or intense training to target calves, plantar fascia, and Achilles tendon issues while improving ankle mobility. - During office breaks to relieve tight calves and improve leg comfort for desk workers. - Progressive mobility work: start at a gentle incline and increase gradually for safer, controlled stretching during rehab or training.