Feature: 1. 9 LEVEL ADJUSTABLE: This calf stretcher is a 9 level adjustable slant board that allows you to choose the suitable incline angle based on your needs. Gradually increase the stretching and range of your calf muscles for a personalized stretching experience suitable for different stages and needs. 2. PHYSICAL THERAPY SLANT BOARD: This device is not only suitable for general calf stretching training but also serves as a physical therapy tool. The adjustable incline angle and function can aid patients in rehabilitating calf muscles, relieving discomfort and pain. 3. FOOT FRIENDLY: Slant boards with adjustable incline angles can help improve deep squats. Targeted stretching and relaxation of the foot muscles can alleviate symptoms of plantar fasciitis by enabling different angles of inclination. 4. ANKLE MOBILITY TRAINING: This foot slant board is a great device for leg stretching and ankle mobility training, allowing you to perform targeted stretches in different positions by adjusting the slant board's angle. It effectively exercises ankle flexibility and stability, helping to relieve leg muscle tension and soreness. 5. CONVENIENT TO CARRY AND USE: This ankle stretching training equipment is compact, lightweight, and easy to carry. You can perform leg stretching and ankle training at home, in the office, or at the gym. Moreover, it is easy to use, making it suitable for beginners as well as professional athletes. Specification: Item Type: Slant board Material: ABS Weight: Approx. 1211g / 42.7oz Function: 9 level adjustment. Package List: 1 x Slant Board5 x Cushion