With eleven wires, you might add the maximum number of air on your formulation and reduce the required mixing time. Made of large stainless steel. The dishwasher is safe and simple to clean. Well-designed, it can you for several years or even , which is crucial and restaurant . Suitable for 7-quart KSM7586P / 7990/8990 blender. Colour:Silver Material:Stainless metal Package Contents: 1* Blender head Only the above package content, assorted item are usually not included. Note: Light and different reveals can cause the color of the thing within the photograph considerably different from the genuine thing. The size allowed error is +/- 1-3cm.