A:AnswerHi JR, The tubes are 3/8 and 5/8 inches in diameter. KitchenAid only offers the sausage stuffer tube sizes that are included with the food grinder.
A:AnswerHi DG1234, The following parts are dishwasher-safe, top rack only for the metal food grinder:
sausage stuffer plate, sausage stuffer tubes, cleaning brush, and food pusher.
A:AnswerHi Donegrinding, At this time KitchenAid does not offer a Fruit/Vegetable Strainer accessory for the metal food grinder for separating seeds and skins from the pulp.