PREMIUM MATERIAL - Knee ability slant board Made of high-quality hardwood plywood, stronger and last longer than others made of birch and pine plywood, can support up to 450lbs. Professional size and extra side-handle for portability; Our calf stretcher slant board has found its way into many homes, gyms, clinics, and physiotherapy units. Always ensure that you maintain a proper posture through the slant board exercise.Perfect FOR ALL AGES AND FITNESS LEVELS - Calf stretch board featured with quick-adjust locking system between five adjustable positions: 15°, 20°, 25°, 30°,35°degree. You have the option of differing degrees of mild to strong calf stretches. to add variety and challenge to your workout. Also serves as a perfect standing desk accessory. Accommodating all fitness levels from beginners to advanced users.DEMONSTRATED HEALTH advantage - Our calf stretch wedge is not only helpful to stretching before/after a workout and also beneficial to the body recovery from plantar fasciitis, Achilles tendon injuries, shin splints, calf strains, and other foot and ankle injuries and pain. Also stimulates your core and improves your agility, reaction time, strength, and stamina.COMPACT AND FOLDABLE DESIGN - Our slant board calf stretcher doesn't take too much room at all and features a foldable design and is lightweight for easy storage and portation. Featuring a full sandpaper top and a slip-resistant EVA base ensures safety and confidence during your workout by offering a better grip.size: 40 x 32 x 13.5cmMaterial:hardwoodcolour:Wood color+blackPackage Contents:1 x fitness pedalOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.