Model# 4520 Multiple-duty carts for use in warehouses, mailrooms, conference rooms, and maintenance facilities Heavy-duty plastic won’t rust, dent, chip, or peel • Lightweight for easy maneuverability and quiet operation • Rounded corners mean no sharp edges to nick walls or furniture Ideal for stockrooms, mailrooms, and maintenance applications. Structural foam construction, 400-lb. capacity. Two tray-style shelves feature a large 4" lip to keep small supplies secure. Molded in handle. 5" nonmarking casters (two swivel). 32-1/4"" high. Optional middle shelves (RCP 4597 and RCP 4598) sold separately. Assembly required."