PREMIUM MATERIAL - Knee slant board Made of high-quality hardwood plywood, stronger and last than others made of birch and pine plywood, can support up to 450lbs. Professional size and extra side-handle for portability; calf stretcher slant board has found way into many homes, gyms, clinics, and physiotherapy units. Always that you maintain a proper posture through the slant board exercise. Perfect FOR ALL AGES AND FITNESS LEVELS - Calf board featured with quick-adjust locking system between adjustable positions: 15°, 20°, 25°, 30°,35°degree. You have the option of differing degrees of mild to strong calf stretches. to add 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 - calf wedge is not only helpful to stretching /after a workout and also beneficial to the body 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 . AND FOLDABLE DESIGN - slant board calf stretcher doesn't take too much room at all and features a foldable design and is lightweight for easy storage and transportation. Featuring a full sandpaper top and a -resistant base ensures safety and during your workout by offering a better grip. size: 40 x 32 x 13.5cm Material:hardwood colour:Wood color+black Package Contents: 1 x fitness pedal Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.