Application: Use the cable method to hold the ramp up so it becomes a deck, pretty easy install. Maximum Weight: The maximum weight suggestion of the cables is 1800 lbs. If you add cables to your own ramp you need to make sure you are securing the brackets to a strong spot that can hold the weight of the ramp and the people on it. Compatible: Total length of cable is 109", this average toy hauler door falls into B category, is made for door heights that are 6 feet 6 inches tall to 7 feet 4 inches tall. Please measure the Height of your door before ordering and select correct size. Package Included: 4pcs brackets - 2 upper and 2 lower brackets, 16pcs(#12×1-½") screws, 2pcs cables with cable adjuster to convert, 2pcs wire lock pin. Pros: Easy to set up at campsite, great for uneven ground, if your camper's ramp has a good spot for you to secure the brackets this toy trailer patio kit is very effective. RV Toy Hauler Patio Cable Instructions1.Mount upper brackets (if you need them).Some trailers are already equipped with holes at the top. Use bracket to mark holes to drill. Then using the supplied screws to secure bracket to door frame of RV.(Shown Right)Standing at back of Trailer Facing Toy Hauler Door -Passenger Side2. Next, lift toy hauler door up to level. Find something at the right height that you can prop it there. Attach the cables to the top brackets with the quick link and bring them down on a 45-degree angle until they reach the door. Mark that spot and mount bottom brackets. PLEASE mark each one independently as per chance of cables not being exactly same!3.Once mounted attach the cables. Using the turnbuckles adjust either way to tighten or loosen tension until door is level.