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 Board
Wooden Slant Board for Calf Stretching Portable Squat Incline Board for Knees...
Professional Wooden Slant Board Adjustable Incline Board Calf Stretcher Portable
Wooden Slant Board for Calf Stretching – Adjustable Incline Board for Squats,
Wooden Slant Board for Calf Stretching, Portable Adjustable Calf Stretch Board w
