. Constructed of 2″ heavy wall steel tubing. Pads are constructed of 2.5″ high density foam with Black marine grade vinyl . Ideal for complete leg conditioning and strengthening of knee, thighs and hamstrings. . Features special split pad that allows for the proper isolation of the muscles. . Can be used for leg extension exercises in the sit-up position and leg curls in the prone position . 38″H x 24″W x 80″L – 110 lbs..