Replacement mixer blade designed for Ninja blender models BL45070, BL45170, and BL45470. This blade replacement helps restore blending performance when the original blades dull, enabling smoother textures and efficient blending. Key Benefits Restores blending efficiency by replacing worn blades, helping you achieve smoother smoothies and purées. Maintains consistent results by providing a reliable cutting edge for better mix and texture. Easy replacement to minimize downtime and extend the life of your Ninja blender. Key Attributes Compatibility: fits Ninja BL45070, BL45170, BL45470 models. Functionality: replacement mixer blade for blender applications including blending, chopping, and puréeing. Fit/Size: designed to fit the original blade assembly for the listed models. Performance: engineered to preserve blending efficiency and result quality with each use. Material: not specified in the listing (blade replacement description). What you get 1 x replacement Ninja blender blade compatible with BL45070, BL45170, BL45470. Use cases Smoothies and shakes: blends fruit, yogurt, and ice into a smooth, consistent texture. Purees and sauces: churns vegetables or cooked ingredients into smooth purées or dips. Ice crushing and frozen blends: handles ice and frozen ingredients for crushedice drinks and frozen desserts.