Fitment: for NutriBullet 600W 900WThe Replacement Cross Blades made exclusively for NutriBullet 600W 900W.Outer Diameter: 4.06Inch (103mm), Hight: 1.66Inch (42mm)High Quality Replacement Parts. Dishwasher safe, nd never needs sharpening. This blade is made of stainless steel nd the base is made of plastic.Direct replacement (Included the Seal Ring). Replacement Cross Blades for NutriBullet 600W 900W.Colour: grayMaterial: plastic + metalPackage Contents:1 x Cross Blade6 x O Ring GasketOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.