Slant board calf stretcher for plantar fasciitis 5-level foot calf,ankle stretcher adjustable flexibility: enabling progression from beginner to professional as per individual training needs. durable abs material: can support up to 200kg, ensuring long-lasting durability for users of all sizes. reinforced stability: is designed with thickened solid steel for a secure, stable, and shake-free foundation during stretches. sculpt & stretch: not only does this balancing fitness pedal aid in slimming and shaping your figure, but it also helps in stretching your calves and relaxing your body while standing, promoting overall well-being. slant board calf stretcher adjustable foldable diagonal board 5 positions balancing fitness pedal for plantar fasciitis.