Metro 1242CSN-DSG Super Erecta Industrial Wire Cantilever Shelf, Smoked Glass, 12" x 42" Adds convenient space above a storage unit. Drop mat design creates a retaining ledge around the entire 12" (305mm) deep shelf. Remember to order rear posts taller than front posts to accommodate these shelves. Metro Product Type:Cantilever Shelf Material:Epoxy Coated Steel Color:Smoked Glass Warrenty:Product will be free from defects in material and workmanship under normal use, service and maintenance for a period of one (1) year from the date of shipment of the Product by Seller, unless otherwise specified by Seller in writing.