1. Professional Slant Board, Wood Calf Stretcher Slant Board, Adjustable Ankle Incline Board with Bonus 2. Product Dimension: This professional slant board measures 12.6 x 15 . It can be adjustable to 4 positions: 15, 20, 25, 30. (Product does not include tensioner) 3. Solid Construction: Made of plywood, shaped like a triangle structure, our calf stretcher slant board is durable, can support up to 450 lbs, ensuring stability when exercise. 4. Ensure Your Safety: Adopting non-slip EVA base, our slant board ensure your safety and confidence during your workout. Suitable for beginner, veteran athletes and all type body. 5. Versatile Application: Ankle Stretch Board has a pull ring, slant board for calf stretching can help you relieve symptoms of plantar fasciitis, Achilles tendonitis, patellar tendonitis, shin splints, calf strains, ankle sprains, hip pain, Tight Calves & Hamstrings. 6. Portable Design: Adopting portable design for easy storage and transportation, the slant board doesnt take much space. It can be an ideal gift for your friends and family.