PREMIUM MATERIAL - Knee ability slant board made of high-quality hardwood plywood, stronger and lasts longer than others made of birch and pine plywood, can support up to 450 lbs. Professional size with extra side handle for portability. Our calf stretcher slant board is used in many homes, gyms, clinics, and physiotherapy units. Always ensure proper posture during slant board exercises. PERFECT FOR ALL AGES AND FITNESS LEVELS - Calf stretch board features a quick-adjust locking system with five adjustable positions: 15°, 20°, 25°, 30°, and 35°. Offers varying levels of mild to strong calf stretches to add variety and challenge to your workout. Also serves as a standing desk accessory. Suitable for all fitness levels from beginners to advanced users. DEMONSTRATED HEALTH BENEFITS - Our calf stretch wedge helps with stretching before and after workouts and supports recovery from plantar fasciitis, Achilles tendon injuries, shin splints, calf strains, and other foot and ankle discomforts. Also engages the core and may improve agility, reaction time, strength, and stamina. COMPACT AND FOLDABLE DESIGN - Slant board calf stretcher has a space-saving design, is lightweight, and folds for easy storage and transport. Features a full sandpaper top surface and slip-resistant EVA base to enhance grip and stability during use. Size: 40 x 32 x 13.5 cm Material: Hardwood Color: Wood color with black finish Package Contents: 1 x Fitness pedal Note: Light shooting and different displays may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.