RV Bumper Storage Rack made from Heavy Duty Steel with a powder coated finish 48" x 20". Comes with 7 heavy duty "D" rings for securing your load. Mounting hardware included. Easy to install, attaches to 4"- 5" square bumper. If you have a 5" bumper, please let us know so we can include the proper hardware. Load tested at 400lbs, will easily handle a generator or anything else you need to carry. Made from high quality heavy duty 1" steel frame, and expanded metal platform with a rugged truck bed liner finish. Note: these racks are designed for RV's and trailers with body to bumper clearance of 1-1/2". If your bumper is closer to the body of the RV, some slight modification of the mounting holes may be necessary.