Cut to the core of your ab workout with the Best Fitness (R) BFAB20 Semi Recumbent Ab Bench. This machine is designed specifically to increase core and back strength. Traditional crunches only work a small part of your abdomen, but the BFAB10 lets you target your lower abs with knee raises and your upper abs with abdominal crunches. FEATURES: 45deg start with two additional 5deg reclining positions Upper back support Textured grip handles Standard weight post with spring lock and lock-out option Adjustable length with lower ab directed motion 2-position foot rests Unique seated design 1.75" durable seat with three available positions Easy disassembly or permanent set up with safety pins and bolts for adjustable positions Durable powder coated finish Dimensions: 64" Length x 22" Width x 46"Height Manufacturers Warranty: 3-years frame, 1-year other parts (in-home) For additional information relating to the Manufacturer's Warranty, please contact 800-556-3113.