Specific Compatibility: This replacement part is designed to be compatible with 600 - watt appliances, likely blenders such as the NutriBullet 600W series with models like NBR - 0601, NBR - 1201, NB - 101, NB - 101B, and NB - 101S. It ensures a proper fit and optimal performance.High - Quality Material: The cross extractor blade is made of food - grade 304 stainless steel, which offers excellent corrosion resistance. This ensures durability and long - term use. The gasket is made of food - grade silicone, which provides a reliable seal and is more durable than rubber.Efficient Function: The cross - blade design is effective for various blending tasks, such as chopping, grating, mixing, and making smoothies. It uses cyclonic action to fully unlock the nutrition in ingredients, allowing you to enjoy a variety of healthy foods.Easy to Install and Maintain: The gasket is pre - installed on the blade, making installation convenient. For maintenance, it is recommended to replace the blade every 6 months or as needed. It is easy to clean, and you can wash it with warm water immediately after use.Package Contents: The package usually includes 1 cross extractor blade with a pre - installed gasket, and may also come with additional spare gaskets, shock pads, and other components, depending on the specific product. For example, some packages contain 2 rubber gaskets, 6 shock pads, 1 white motor top - base gear, 1 black rubber gear, and 1 blue brush.