The cross blades are made of plastic and stainless steel, and each replacement blade comes with a silicone gasket and a hard plastic gear on the bottom. Functions: The cross blade is perfect for chopping, grating, mixing and blending foods such as onions, cheeses, meats, smoothies, sorbets and frozen foods. Also perfect for making refreshing frozen cocktails, mocktails and milkshakes, homemade hummus, creamy soups or homemade baby food. Name: Cross Knife Holder Function: cut vegetables, minced meat, stir, beat eggs, knead noodles Capacity: less than 10 liters Material: plastic color: black Package Contents: 4 x Cross Blades Only the package Above, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.