Stable Triangle Structure: Our camper ladders are made of high-grade steel frame structure, the heavy duty step ladder has higher strength and reliability than other wood or plastic step ladders. The triangular structure between the steps of our RV ladders strengthens the basic support, which will make the spa steps stronger and more stable Handrails for Outdoor Steps: Our trailer ladder has mounting holes on both sides, so you can install the handrail on either side. Whether you're getting in and out of your motorhome or using our hot tub stairs for other tasks, railing can provide you with extra security