Bodytone Professional SR05E leg extension machine Solid Rock Professional bodybuilding machines stand out for their design and innovation. They have a neat aesthetic and are equipped with the latest technologies. In the Força Solid Rock machine range from Bodytone, our brand is committed to a completely renewed design where curves and design predominate as well as the green color, which gives it that sporty and elegant appearance. Solid Rock equipment uses technology from the automotive industry so that the structure and paint last up to 10 years or more. Guarantee of quality, strength and durability.