Last and sturdy: This item is made of high-class iron and plastic, which makes this item rust-resistant, wear-resistant, and sturdy, so it can provide good performance for a long time. Powerful Function: The powerful 320W motor with adjustable speed from 800-10000rpm can efficiently polish most items without damaging the surface of the workpiece and affecting the accuracy, improving your working efficiency. Good Heat Dissipation: Uniform heat dissipation holes on the body can dissipate heat for the product in time to ensure stable operation and safe use. Multi-functional Use: Both sides of the product allow you to do sanding and polishing work at the same time, making your work more efficient and convenient. Easy to Install: the mounting holes on the bottom make it easy for you to mount the product to the countertop for more stability.