Add more shelves to create more storage space in a shelving unit, bY adding more shelf levels you turn a shelving unit into an organized storage center adaptable to your specific needs. Epoxy finish is ideal for storage or retail display. The wires on the shelves run left to right for easy storage of products with narrow bases. They are spaced approximately 30mm apart from each other. The weight capcity of these shelves are approxmiatley 300 pounds, evenly distributed. If you need other sizes in black or white finish please contact our sales department at 1-800-637-9508. They are happy to help you with your shelving project.