PERFECT FOR TRANSPORTING ELECTRONICS, CIRCUIT BOARDS, AND OTHER STATIC SENSITIVE MATERIALS. BRIGHT, CHROME OVER NICKEL ELECTRO PLATING CREATES A BRILLIANT HIGH GLOSS FINISH. OPEN DESIGN MAXIMIZES AIR AND LIGHT CIRCULATION AND MINIMIZES DUST ACCUMULATION. SHELVES EASILY ADJUST WITHOUT TOOLS AND ALIGN ACCURATELY AT 1″ INCREMENTS. SHELF CLIPS SNAP ON POST, ALLOWING SHELF COLLAR TO SLIDE OVER FOR A SECURE FIT. ESD ADJUSTABLE SHELF CARTS INCLUDE 3 SHELVES, 4 POSTS, 1 SAFETY PUSH HANDLE, 4 SETS ALUMINUM SHELF CLIPS, 1 DRAG CHAIN, AND 4 POLYURETHANE ESD SWIVEL CASTERS, 2 WITH BRAKES.