syedee TT-2S leg exercise machine can do both leg extension and leg curl. Designed with 6 positions vertically-adjustable thigh pads, a 24-position adjustable leg extension, and the backrest pad has 7 positions to adjust, this machine fits various people in the home gym. This leg extension machine is made of a 50x50 mm,14 gauge tube. Gross weight: 101 lb. Assemble Dimension: 37.5" x 35.5" x 37"