Manufactured from heavy duty stainless steel with an electro-polished finish for an everlasting shine. Hooks are designed with "over the door" tabs and non-slip surface on steps for added safety. It is fully assembled. Surco Products is one of the premier automotive accessory manufacturers in the United States. Due to their in-house operation they are able to carry a diversified line of automobile accessories. Surco controls the entire manufacturing process enabling them to make sure that the quality level is always high and up to Surcos standards. With 50 years in the industry Surcos stainless steel van ladder is designed with functionality in mind is a must if you are looking for easy access to the roof of your van.