1. It is designed to slot for Vitamix Advance RS blender, operation is awfully quiet. 2. Using food high‑strength stainless steel, tremendous toughness, challenging to deform, gentle to clean. 3. Blender blade alternative parts, the broken or previous blade could be immediately replaced. 4. The blade replacement, it is simple to mash green leafy vegetables, stems, seeds, and fruits. 5. The blade has double leaf, changing the blade is an easy process. Color: silver material: metal Package Contents: 1 x Blenders Blades Only the above equipment content, assorted merchandise are usually not included. Note: Light mirrored image and different exhibits may cause the color of the thing in the photograph considerably different from the genuine thing. The measurement allowed error is +/- 1-3cm.