Vertical Knee Up (FF47)Our vertical knee up FF47 will help you with a variety of lower body workouts. The pad used is of good quality providing you stability during the workout. Non slippery feet are used to provide stability to the user. The heavy duty metal frame is coated with rust resistant spray for enhanced durability. Padded Arms and Back provide a comfortable workout experience. Unlike other vertical knees up equipment, this one has wear resistant material used for