This heavy duty system combines two machines in one, a leg extension machine for your quads and a leg curl machine for your hamstrings. Adjust the pop pin to any of 26 points on the wheel for your optimal range of motion. Features: FRAME STRUCTURE - High quality heavy gauge steel construction to ensure stability and durability. FINISH - An electro statically applied powder coating to resist scratches, corrosion and chipping. Chrome-plated components are used in high-contact areas. UPHOLSTERY - Premium grade vinyl with a protective finish formulated to resist bacteria, stains and mildew. PADDING - 2" high-density ultra firm foam over 3/4" thick plywood with stitched seams to provide long lasting comfort. FOAM ROLLERS - Large, high-density foam rollers with resilience and comfort. BOLTS - Large, high-grade 3/4" socket head cap bolts in major connection points. BEARING SYSTEM - Solid Steel Sealed Bearing System allows for increased smoothness, precision and durability. MultiSports leads the industry in being the first and only company to upgrade their home-use systems from bushings to an improved state-of-the-art steel bearing system. Dimensions: 49"L x 42"W x 38"H.