Valor Fitness DE-4 Sit-Up Bench SECURE FIT: Foam rollers contour behind knees for a secure snug fit while performing Russian Twists, Crunches, Sit-Ups and more. Can be used with Valor Fitness Medicine Balls and RX-T2 Rebound Trampoline. LEG ADJUSTMENT: Second adjustment on bottom roller for correct leg support and comfort for athletes with longer legs. (11 in. between foam rollers on first adjustment, 12.5 in. on second adjustment between foam rollers) EXTRA STABILITY: (2 in. X 2 in.) Continuous Steel frame for extra stability to prevent rocking during exercise. 4-point rubber base end caps also provide stability while protecting gym floors from damage. COMFORTABLE: Ergonomically correct design uses fixed 20-degree decline position to concentrate on developing well-defined lower and upper abdominal muscles without straining the neck or back. (24 in. X 14 in. X 2 in.) UNIQUE DESIGN: Wide seat pad for thigh support and tapered back. Meant for home gym use. (34.5 in. X 22 in. X 21.5 in.) Footprint.