Holds the door ajar so the machine wont reset the clean light. Magnets to store against the door while dirty.

Meant for 5x1 mm Neodymium Disc magnets, holes are 6x1.2mm so they fit pretty loosely.

https://www.whirlpool.com/kitchen/dishwasher-and-cleaning/dishwashers/built-in-visible-front-console/p.heavy-duty-dishwasher-with-1-hour-wash-cycle.wdf331pahs.html