Sturdy and : It is made of acrylic material with an injection molding hot pressing process and reinforced by 0.394-inch thick PVC board and 0.157-inch thick board, making it very light and strong, as well as smooth and (The tolerance of the formed plate is usually around 0.3mm.). Healthy Operation: Its closed design can effectively block the dust from entering the eyes or inhaling the mouth and nose, improving the safety of use and protecting your health. High Visibility: Its clarity allows you to see the operation clearly when you use it, and we are equipped with an LED lamp so that you can operate normally even at night. It not only saves energy and protects the environment, but also provides better protection for the eyes. Three-hole Operation: Compared with the traditional two-hole operation, the three-hole can provide you with convenience in many ways according to the size of the sanded products and your operating habits. Removable Design: The entire product is fixed with screws, which can be repeatedly installed and removed, making it more convenient for you to use or store., Weight: 11.0231131 pounds, Manufacturer: NGBFF