METRO SUPER ADJUSTABLE 2 SHELVING ADD-ON UNITS 48X24X63"" REVOLUTIONARY DESIGN PLACES METRO SUPER ADJUSTABLE 2 SHELVING AMONG THE MOST FLEXIBLE ON THE MARKET TODAY. ENTIRE STORAGE UNIT SETS UP EASILY WITHOUT TOOLS. BEGIN WITH STARTER UNITS AND ADD ON IN ANY CONFIGURATION USING S-HOOKS. SHELVES CAN BE ADDED OR ADJUSTED IN PRECISE 1"" INCREMENTS. SIMPLY PULL CORNER-RELEASE LEVERS REPOSITION WEDGES ALONG 1"" DIA. GROOVED SITE-SELECT POSTS AND SLIDE SHELF TO NEW HEIGHT. SHELF REMAINS SECURELY IN PLACE. OPEN-WIRE DESIGN IMPROVES SPRINKLER EFFECTIVENESS AIR FLOW AND ELIMINATES DUST BUILD-UP. FINISHED IN DURABLE CHROME. STAINLESS AND METROSEAL FINISHES AVAILABLE FOR SELECTED MODELS. NSF CERTIFIED. NOTE SHELF CAPACITIES ARE BASED ON EVENLY DISTRIBUTED LOADS.