max load and 4" height differential.
| Justrite Plastic Wide Portable Dock Plate, Yellow, 35 x 4 igh inch, Plastic/Polyethylene/Aluminum, 1795 Constructed of durable High Density Polyethylene (HDPE) for a lightweight (37 lbs) ergonomic design that is easy to use.. Justrite Plastic Wide Portable Dock Plate, Yellow, 35 x 4 igh inch, Plastic/Polyethylene/Aluminum, 1795 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.