Product review (5 stars): Perfect! These fit my 4-burner KitchenAid cooktop metal grates ...
Perfect!  These fit my 4-burner KitchenAid cooktop metal grates perfectly. The old ones were either missing or dried out. After researching replacements, I believe these items are generic used by many cooktop manufacturers. A great deal too with Amazon Prime. No more wobbly grates!