Key Features: Independent movement in order to make sure a correct training, balanced with a biomechanics design for a perfect contraction. Intuitive system of two steps for changing the leg to do the exercise. 2 racks reinforced for plate storage. Ultra solid steel chassis. Combination of adapt easily and accurately to the machine two kind of tubes: 76mm diameter circle tube and 100x50mm oval tube; both with 3mm width. TIG welding in all the union points. High durability stainless screws. Very ergonomic position with a foam support for the forearm just in front of the aluminium grips. Cushioned support for thefront part of the thigh and concave roller to support the other leg. Fireproof upholstery made in hi-density polyfoam for more comfort and reliability. High precision industrial ball bearings to ensure smooth operation and protection against corrosion. Elastic adjustments that allow the user to adapt easily and accurately to the machine. Rubber protections on the supports to avoi