Product Dimensions: This professional incline board measures 32 x 38 cm. It can be adjusted in four positions: 15, 20, 25, 30 degrees. (Product does not include expander) Solid Construction: Made of high-quality plywood, shaped like a triangular structure, our calf stretcher is durable and can support up to 204 kg, ensuring stability during exercise. Ensure Your Safety: With a non-slip EVA base, our incline board guarantees your safety and confidence during exercise. Suitable for beginners, experienced athletes, and all body types. Versatile Use: The ankle stretch board has an upgraded pull ring, the incline board for calf stretch can help you relieve symptoms of plantar fasciitis, Achilles tendinitis, patellar tendinitis, periostitis, calf strains, ankle sprains, hip pain, tight calves, and hamstrings. Portable Design: With a portable design for easy storage and transport, the cutting board does not take up much space. It can be a perfect gift for friends and family.