The {4'' 100mm Diamond Grinding Stone Cup Wheel Aluminum Based Grinding Disc Granite Marble Angle Grinder Cup} is an essential tool for any professional or DIY enthusiast. Our factory produces high-quality diamond cup wheels with an aluminum base that are designed for efficient grinding of granite, marble, concrete, and other hard materials. The diamond segments provide long-lasting durability and exceptional performance, while the aluminum base ensures a stable and consistent grind. This cup wheel is compatible with most angle grinders and is easy to attach and use. Trust in our factory's expertise and quality control to provide the best grinding solutions for your project needs.