This is the Button Plug, Set of Two (2), part number 9742788, from a KitchenAid Dishwasher Model KUDM24SEWH2 or KitchenAid Dishwasher Model KUDM24SEBL1.  This item will fit other models and brands where the part number matches. Price includes shipping, USPS First Class making this a good value compared to the equivalent new part.