slant board, made of premium ABS and smooth stainless steel material, triangular structure, stable without not deformed and not break, unlike other soft plastic equipment. It is a perfect substitute for heavy wood, popular with the public,fit for adult, kids, etc. calf stretcher slant board, has multiple adjustable angles: 0, 20, 30, 40, 45, can meet different needs, suitable for all kinds of aerobic fitness training and recovery treatment. 20 inclination is suitable for beginners, can make yourmuscles more flexible before and after exercise to avoid injury and helping your legs stretch properly. slant board for squats, foot stretcher can as base in front of your stand up desk for stood, also can put it under your office desk as a foot stool to relax your tight calves. stretcher slant board, exercise equipment, with non-slip textured surface and the bottom with 4 Non-slip mat, will protect your heel and calf muscles from hurt. Durable, collapsible and easy to storage. Whether at home office evengym, you can stretch your foot, legs, ankle at any time. Use our adjustable slant board to prevent and treat your calf valgus, knee pain, plantar fasciitis, achilles tendon injuries, calf strains, ankle injures, etc. As a efficient tools for rehabilitation training and physical therapy, ideal forleg exercise, stretching strengthening. calf stretch, slant board for calf stretching.