BOLTLESS WIDE SPAN STORAGE RACK WITH WIRE DECKING PROVIDES EXTRA SPACE FOR BULKY MATERIALS. BOLTLESS ASSEMBLY WITH SNAP TOGETHER COMPONENTS REQUIRES NO NUTS, BOLTS, CLIPS OR TOOLS. WIRE DECKING ALLOWS VENTILATION, VISIBILITY AND LIGHT PENETRATION. SPRINKLER WATER PASSES THROUGHOUT RACKS EASILY, IMPROVING FIRE SAFETY AND LOWERING INSURANCE PREMIUMS. STURDY WIRE CONSTRUCTION INCLUDES 3″ SQUARE MESH OPENINGS. UPRIGHTS ARE A SUBSTANTIAL 1-1/2″ X 2-1/4″ X 14 GAUGE STEEL. ALL MODELS HAVE DOUBLE RIVETED HORIZONTAL BEAMS FOR MAXIMUM FRAME RIGIDITY. UNIT INCLUDES 3 SHELVES, ADJUSTABLE AT 1-1/2″ INCREMENTS. HEAVY-DUTY ROLL-FORMED STEEL FRAMING WITH CHIP RESISTANT GRAY BAKED ENAMEL FINISH. THIS 72″W MODEL WITH 900 LB. CAPACITY PER SHELF INCLUDES 1 CENTER DECK SUPPORT PER SHELF.