XMark Fitness 10 Position Adjustable Sit-up Ab Bench, 350 lb. Capacity, Ergonomically Positioned Vinyl Covered Roller Pads, Affordably Priced, Experience The Difference with XMark XM-4360 &nbsp; Challenge your abs to a fat blasting, core targeting workout with the XMark Adjustable Abs Bench. A full size abdominal weight bench with 10 vertical height adjustments for a beginner to advanced core workout. With a weight capacity of 350 lbs., this machine is built tough with sweat and tear resistant vinyl, 2" x 2" steel construction and a scratch resistant powder coat finish. Dual vinyl covered, ergonomically positioned knee and ankle pads and a 2" high density foam cushion provide comfort and support throughout your workout. Whittle the waist, sculpt a six pack and build your strongest, most powerful core with XMark, the mark of excellence.