aluminum construction Made from durable aluminum to resist wear and maintain reliable kneading performance for all your bread making needs. Nonstick coating The specially designed coating prevents dough from sticking, enabling smoother mixing and easy cleanup. Compatibility with multiple models Compatible with SD255, SD256, SD257, and other bread machines, expanding your appliance options. Professional mixing performance Engineered for dough mixing, ensuring even blending to improve the texture and flavor of baked goods. Use scenarios Everyday bread making: Use with standard bread cycles to achieve a consistent crumb and reliable results. Enriched and specialty doughs: Ideal for brioche, challah, pizza dough, and other enriched doughs that benefit from thorough mixing. Replacement or upgrade: A practical replacement for worn kneading blades on compatible models, restoring performance across SD255, SD256, SD257, and more.