48" Portable Poly Dockplate is for use with two and four wheeled dollies, hand trucks and carts. Constructed of durable High Density Polyethylene (HDPE) for a lightweight (40 lbs) ergonomic design that is easy to use. Features include a raised surface for excellent traction in all weather conditions, beveled entry and exit edges, aluminum legs for durability and strength, two integrated handles for easy handling, 750 lbs. max load and 4" height differential.