Plastic and Rubber Material: The blender gear adopts new and high-quality rubber and plastic, safe and non-toxic, abrasion-resistant, which can extend the service life of the blender and can also help us create delicious juices and smoothies. Easy to Install: No need for professional skills, just hold the connecting shaft with your right hand, turn it down clockwise, and then tighten it to complete the installation. When you remove it, turn it counterclockwise, the installation is very simple and convenient, reducing maintenance costs. Two Sets of Gears: There are two sets of the blade gears, when you lose one set, you can replace it with another set to prevent the loss and damage of the blade gears from causing you trouble and meet your daily basic needs. Two sets are the best for your choice. Precise Thread: The blender gear adopts precise cutting technology, it can perfectly match your juicer, it is very firm after installation, you can easily handle the hard-to-cut food.