Product Dimension: 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. Ensure Your Safety: Features a non-slip EVA base to enhance safety and confidence during use. Suitable for beginners, experienced athletes, and all body types. Versatile Application: The ankle stretch board includes an upgraded pull ring. This slant board for calf stretching helps relieve symptoms of plantar fasciitis, Achilles tendonitis, patellar tendonitis, shin splints, calf strains, ankle sprains, hip pain, tight calves, and hamstrings. Portable Design: Designed for easy storage and transportation, the slant board is space-saving and convenient to carry. It makes an ideal gift for friends and family. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 947 hours Hope you have a pleasant shopping experience!