Jacobs Ladder is an innovative cardio machine with ladder-type rungs on a non-motorized continuous treadmill. It’s self-paced, so the faster you go, the faster it goes. Jacobs Ladder is preferred by pro football teams, the FBI, the Army, the Navy, West Point and numerous Division I universities to improve their strength and conditioning programs. Dimensions: 76”L 65.5”H 31.25”W 345 lbs.