Design:Stainless Steel "ice crusher" blade adopt Reversing Blade Technology. The blender motor alternates the blades forward and backward, drawing food and ice down for consistently smooth blending. High Quality:All for blender parts are high quality stainless steel blades free high impact plastic - Dishwasher Safe Great Function : Great replacement for blender broken parts, spare yourself the expense of a new machine; Rubber gasket with screw cap protect the liquid foods in the jars, no leak; Replacement parts just takes a little money and drastically improve the functionality of an overworked blender.