RIDGID's PCD (polycrystalline diamond) grinding wheels are a game-changer. These wheels are specifically designed for aggressive removal of tough materials such as urethane coating, carpet adhesive, vinyl/ceramic glue, and epoxy. With 6 segments and 5/8-7/8 arbor, these grinding wheels are versatile enough to tackle a wide range of grinding tasks. The polycrystalline diamond construction of these wheels provides exceptional durability and longevity, ensuring that they can withstand even the toughest grinding jobs. Additionally, the PCD construction of these wheels means that they are less likely to clog or gum up during use, ensuring a smoother and more efficient grinding experience. Whether you are a professional contractor or a DIY enthusiast, the RIDGID PCD grinding wheels are the perfect tool for aggressive material removal. With their durable construction, versatile design, and exceptional performance, these grinding wheels are sure to become a staple in your tool collection.