[Fit for 1700w RX]This drive socket kit is compatible with NutriBullet Blender RX 1700W, and it's durable, sturdy, and anti-corrosion. [PREMIUM MATERIAL]This blender replacement part is made of high quality metal and plastic materials. [EASY TO INSTALL]This drive socket kit is suitable compatible with nutri blender, and very easy to install and operate. [Drive socket replacement]Commercial grade replacement drive socket kit. [guarantee service]If you are not satisfied with the product or there is any problem, please feel free to contact us and let us know about the issue, we will offer suggestions and solutions as soon as possible. [Fit for 1700w RX]This drive socket kit is compatible with NutriBullet Blender RX 1700W, and it's durable, sturdy, and anti-corrosion.