Effective machine targets your leg muscles with the natural feel and resistance of free-weights durable 2 x 3 inch, 11-gauge steel mainframe with electrostatically applied, powder-coated paint finish in metallic silver Sealed ball-bearing pivot points ensure smooth, quiet motion Direct drive press system provides accurate and effective weight resistance Features a large, pivoting foot plate that maintains a proper foot position throughout the range of motion Dual self-aligning 1.5 inch linear bearing seat carriage adjusts easily to accommodate various users Back support is fully adjustable to provide proper body alignment and comfort Features weight plate holders for convenient and secure storage durable double stitched upholstery offers exceptional comfort weighs 525 pounds Please note that some assembly is required.