Amazon Basics 4-Shelf Adjustable Shelving Unit

This shelving unit offers 4 shelves with adjustable height and a weight capacity of 1400 pounds with leveling feet, 440 pounds with wheels not in motion, and 353 pounds with wheels in motion. It features 3-inch caster wheels for easy maneuvering. The price drops from $69.99 to $54.06. Shipping is free.