Liberty Imports Professional Wooden Slant Board, Adjustable Incline Calf Stretch... $55.00 Make sure this fits by entering your model number. ✅ OPTIMAL STRETCH | Multi-purpose professional wood slant board with anti-slip safety treads to improve strength and conditioning for all ages and all body types. Designed for the rehabilitation of Achilles tendon injuries, shin splints, calf strains and other lower leg injuries. Also stimulates your core and improves your agility, reaction time, strength and stamina. ✅ QUICK-ADJUST INCLINE | This highly durable and stable board features a quick-adjust locking system that lets you adjust the stretch angle between 5 positions 15°, 20°, 25°, 30° and 35°. Set up the incline that fits your personal need. Board measures 16″ (Deep) X 12.5″ (Wide) X 10″ (High). Also serves as a perfect standing desk accessory.