METRO QWIKSLOT WIRE SHELF TRUCKS – 36″ WX18″ D SHELF – 4728400 METRO QWIKSLOT WIRE SHELF TRUCKS FEATURE OPEN-WIRE SHELVES THAT WILL NOT COLLECT DIRT AND DUST LIKE SOLID SHELVES. TRUCK COMES COMPLETE WITH 3 FIXED SHELVES (TOP AND BOTTOM PLUS ONE IN THE MIDDLE). QWIKSLOT SHELVES ARE SUPPORTED ON CLIPS THAT SNAP INTO POSTS AT 1″ INTERVALS. QWIKSLOT CAN BE ADDED, REMOVED, OR ADJUSTED IN SECONDS. DURABLE SUPER ERECTA BRITE FINISH. FOUR CASTERS WITH PROTECTIVE DONUT BUMPERS.