This Vestil Portable Aluminum Yard Ramp makes it easy to load and unload cargo from trucks, trailers, railcars, and docks. Manufactured from durable but lightweight aluminum, the unique design allows you to position the ramp, adjust its service height, and load or unload trailers from ground level by yourself. The rust-resistant grating stands up to harsh conditions and keeps its traction in wet or muddy conditions. A manual hand pump system allows one person to adjust the height, and anchor chains securely attach the ramp to the trailer to ensure safe use.