Vevor Ab Workout Machine Adjustable 440 Lbs Capacity Foldable with Rep Counter NewThe Vevor Ab workout machine features a dual curved sliding track for increased core training intensity with reduced neck and back strain. Built from heavy duty carbon steel with a 440 lb capacity, it includes wide arm and knee pads for comfort and stability. Swiveling knee pads and a fixed motion path target upper lower abs and obliques. Add 1" weight plates for adjustable resistance. Includes a rep counter, phone holder, quiet rollers, and folds