Bottom Shelf □Turn bottom shelf upside down. Attach the wheels to bottom shelf with (16) M6x15 screws, M6 lock washers and M6 flat washers(Dia 12). Note: The casters with brakes should be mounted on the side with cutout holes. □Turn bottom shelf right side up. Attach door magnets to bottom shelf with (2) M4x10 screws. M6 lock washer Qty: 16 pcs