4 in 1 leg machine - GMWD leg extension and curl machine LE03 basic use function reaches 4. Two kinds of leg extension - seating leg extension and single leg extension. Two kinds of leg curl - standing single leg curl and lying leg curl. LE03 will get more possibilities in your home gym to explore a funny leg day. Single leg design - LE03 is designed to solve the problem of the thigh strength gap between the two sides. The load both legs simultaneously can perform is less than the sum of a single leg. This means you'll have freer options to break plateaus at home gym. Commercial level - The leg machine is made of 50x50 mm,14 gauge tube. Gross weight: 100 lb. The proposed reserve footprint is greater than 53" x 53". Easy adjust - GMWD leg curl machine has 4 ranges of movement, 3 seat cushion positions and 2 back cushion positions. Adjustments can easily be made in one second with the knob. It is also equipped with 2 different handles to match the adjustment. Comfortable - Like leg extension machine, we specialize increasing the edge of the cushion to add a thicker curvature, providing better support to challenge higher goals.