Jacobs ladder 2 get the same workout and same reliability as the revolutionary jacobs ladder climbing cardio machine yet designed for the home or small commercial environment at a lower price key features of the jacobs ladder 2 width jacobs ladder 2 is 27 25 wide to fit inside most interior doors in a home rung design jacobs ladder 2 features a steel rung with polyurethane sleeve power for the most part it is self powered although you will need to plug in the 110v plug for the digit