2" x 3" 11 gauge steel mainframe. Electrostatic ally applied powder coat paint finish, metallic silver. Durable double stitched upholstery. Sealed bearing pivot points. Direct link movement arm design enhances smooth and continuous range of motion. Adjustable foot roller to accommodate different leg lengths and start position. Gas assist back pad adjustment. Weight plate holders for plate storage*Olympic weight plates not included Dimensions: 66" (168cm) L x 41" (104cm) W x 39" (99cm) Shipping weight 168l