The Best Fitness BF AB10 Ab Board is designed to tighten up your midsection, strengthen your back and improve your core stability. With its multiple starting positions (15, 20 or 25 degrees) it enables you to vary your workout efficiency with achievable results. The BFAB10 features 4" high-density foam roller pads and a durable upholstered seat to ensure comfortable workouts. The safety pins and bolts allow for adjustable positions for easy disassembly or permanent set-up. The BFAB10 also comes fully asse