Upgraded screws support up to 300 lbs adult standing. The non-slip EVA base & PVC sandpaper surface prevents slipping during calf stretching or squatting. You can choose different levels of calf stretching from easy to hard.
Wooden Slant Board for Calf Stretching, Adjustable Portable Wooden Incline Bo...
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Portable Wooden Slant Board for Calf Stretching Squats Calf Stretcher Pilates...
