Discount Ramps 48" Transport Truck Step Deck Ladder for 28" to 42" Trailer Bed Supports up to 375 lbs. for access to a step deck or drop deck transport trailer No tools required, slides over transport trailer rub rails and is pinned in place Includes (2) C-Brackets for storing the ladder in an upright position Can be locked to the trailer deck with a cable or chain lock Aluminum construction for long lasting durability