We take each order seriously while our customers choose our home products each time. Because we know it is about your family's health& convenience, this is not a joke. We know you love your family greatly, as family convenience is of much importance for all of us. Driving Socket, Transmission Shaft Kit for Nutri Bullet Blender RX 1700W Replacement Part Made of metal + plastic material, durable and can use for long time. Commercial grade replacement drive socket kit. High Quality Made of metal and plastic material, very easy to install and operate. High quality and great replacement for the old one. Great for Nutri bullet 1700w RX. Easy to Clean The blender drive socket is made of metal and plastic material, which is durable and can use for long time. Easy to clean, simply rinse and go. Enjoy Your Life With the right replacement drive socket, you can make your old blender as good as new. Commercial grade replacement drive socket kit. Enjoy your drink, your way.