From freshly painted artwork to microscopic lab slides, the Sax Single-Slide Drying Rack is your one-stop (and 30 shelf) solution. Powder-coated finish helps resists rust as well as solvents on each of the 12 x 18 inch shelves. Evenly-spaced parallel shelves in upward angle pivotal position ensure each piece is kept separated from the one below or above, without the use of unreliable springs. Rack is made from durable steel. Full unit measures 8 W x 12 H inches. No assembly required.