Professional Incline Board, Wooden Calf Stretcher Incline Board, Adjustable Ankle Incline Board, Stretch Resistance Tube, Portable Foldable Design FG05 Product Dimensions: This professional slant board measures 12.6 x 15 inches. It is adjustable to 4 positions: 15°, 20°, 25°, and 30°. (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. The slant board helps relieve symptoms related to plantar fasciitis, Achilles tendonitis, patellar tendonitis, shin splints, calf strains, ankle sprains, hip pain, tight calves, and hamstrings. Portable Design: Lightweight and foldable for easy storage and transport. Saves space and makes a great gift for friends and family.