Entering and exiting your RV just got easier than ever! Easy-to-operate unit puts the bottom step 6" closer to the ground than the standard step on most RVs. Unique pivotal action opens and closes easily with fingertip operation â€“ no sliding pinch points. Stress-tested for maximum endurance. Radius corners and a self-locking mechanism. Constructed with heavy-gauge American steel. 24" wide. Single step: 18" to 12" from threshold to ground. 2-Step: 24" to 18" from threshold to ground. 3-Step: 29" to 24" from threshold to ground. Hi-Riser Step has a 9" rise between each step.