HEAVY DUTY BOLTLESS SHELVING WITH LAMINATED SHELVES RUGGED, RELIABLE STEEL SHELVING FEATURES 1/2″ THICK WHITE MELAMINE AND PARTICLEBOARD SHELF DECKING FOR A STRONG, SMOOTH AND EASY-MAINTENANCE SURFACE. STURDY 14 GAUGE STEEL FRAME UPRIGHTS AND SINGLE RIVETED, EXTRA-LARGE CROSSBEAMS PROVIDE MAXIMUM RIGIDITY AND SHELF CAPACITY. SHELVES ADJUST AT 1-1/2″ INCREMENTS. FAST, TOOL FREE ASSEMBLY. LONG LASTING BAKED ENAMEL FINISH.