TRIPLE X Sprintcar Plated Jacobs Ladder. 14" (measured along the diagonal). No straps or hardware (bolts). When choosing the correct Jacobs Ladder length for your Sprint Car, keep this in mind: the shorter the ladder, the shorter the amount of time it will take to get you on your right rear, and the shorter the amount of time you'll spend on the tire. A 13 5/8" ladder will get on to your right rear faster, but hold your car on the tire a shorter amount of time than a 14