PLEASE NOTE: This product is shipped UNASSEMBLED. Assembly instructions included. HEAVY DUTY ramps can hold extreme weights up to 1,000 lbs. The upper end of the Butt Ramp includes two legs that allow the ramp to “butt-up” to a raised surface or doorway without interfering with a swinging door Made of lightweight, high-strength aluminum components, Rampit USA ramps are built to withstand a lifetime of everyday use and will never rust or corrode Included self-adjusting bevel creates a safe, smooth transition onto and off the ramp. Ramps with handrails include: (2) ANSI loops, (2) Square Ends, (8) End Caps, and all necessary hardware for easy assembly. All Rampit USA aluminum access products are designed, built, and sourced in the USA, and come with a hassle-free, lifetime manufacturer's warranty.