Professional Slant Board, Wood Calf Stretcher Slant Board, Adjustable Ankle Incline Board with Bonus Product Dimensions: This professional slant board measures 12.6 x 15 inches. It is adjustable to 4 positions: 15, 20, 25, and 30 degrees. (Product does not include tensioner) Solid Construction: Made of high-quality plywood with a triangular structure, this calf stretcher slant board is durable and supports up to 450 lbs, ensuring stability during exercise. Safety Features: Features a non-slip EVA base to ensure safety and confidence during use. Suitable for beginners, experienced athletes, and all body types. Versatile Use: The ankle stretch board includes an upgraded pull ring and helps relieve symptoms associated with plantar fasciitis, Achilles tendonitis, patellar tendonitis, shin splints, calf strains, ankle sprains, hip pain, tight calves, and hamstrings. Portable Design: Lightweight and easy to store, this slant board saves space and is convenient for transport. Makes a great gift for friends and family.