Fitness professionals worldwide recognize the Roman Chair & Back Hyperextension for its unsurpassed development of the abdominal, oblique, lower back, glute, and hamstrings. Thick, double-stitched DuraFirm"! pads and oversize 8" foam rollers provide comfort and support. Warranty Details Home Use: Life Time on Everything Frame Pulleys Cabes and Upholstery. Commercial Use: Lifetime Frame 2 Years Pulleys Bushings Bearings and Hardware. 1 Year Labour Cables Upholstery and all other components 1 year. 2 Years Parts, 1 year labour.