4-Step Steel Camper Scissor Steps - Made from Steel for strength and durability, this step is designed for campers with holding tanks. It comes fully assembled with a simple to install, universal mounting bracket and has diamond tread steel steps that will self adjust according to the terrain you are on. There is an optional had rail that is available by special order. This step has a black powder coat finish to protect against the elements for years to come. The step size on this is 6 inch x 18 inch and the extended vertical height is between 31 inch to 40 inch depending on the terrain.