METRO OPEN-WIRE SHELVING – 72X18X63″ – ADD-ON UNITS DURABLE, SUPER ERECTA BRITE ZINC-PLATED SHELVING HOLDS UP TO 800 LBS. PER SHELF. METRO OPEN-WIRE SHELVING AND ACCESSORIES FEATURE A DESIGN THAT IMPROVES AIR CIRCULATION, ELIMINATES DIRT BUILD-UP, INCREASES SPRINKLER EFFECTIVENESS AND IMPROVES VISIBILITY. EASY TO SET UP WITHOUT TOOLS. SHELVES SLIDE OVER SPLIT SLEEVES ATTACHED ALONG 1″ DIA. POSTS. BEGIN WITH ‘¿¿STARTER’¿ UNITS AND ADD ON IN BACK-TO-BACK, END-TO-END, L-, T-, OR U-CONFIGURATIONS USING S-HOOKS THAT ELIMINATE NEED FOR SIDE-BY-SIDE POSTS. SHELVES ADJUST AT 1″ INCREMENTS AND ARE AVAILABLE IN 18″ AND 24″ DEPTHS. STAINLESS, METROSEAL, AND CHROME FINISHES AVAILABLE FOR SELECTED MODELS. NSF CERTIFIED.