TRINITY EcoStorage 3-Tier NSF Chrome Cart. TRINITY’S NSF certified heavy-duty commercial grade EcoStorage cart is perfect for any industrial, home, garage, or kitchen use. With an 800 lb. Weight capacity on wheels, it can easily hold and maneuver any of your boxes, office products, tools and everything in between. Assembly requires no tools and uses a slip-sleeve locking system allowing shelves to be adjustable in 1-inch increments. Total weight capacity on wheels. 4 x 1-Inch swivel wheels – 2 locking, 2 non-locking. Ecostorage finish means no toxic chromium is released into the earth in the production of this product. 3 commercial-grade 18 x 36-Inch shelves. You’re already purchasing the item. With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you’re getting a good deal when purchasing with us.