3M Finesse-it refining disc 3000 features extra fast cutting silicon carbide to quickly refine sand scratches left by previous 1200/1500 grade paint leveling steps. These versatile discs are ideal for large area refining/repair. Can be run without water in the pre-buff step. Our 3M Finesse-it refining disc 3000 is specially coated with grade 3000 silicon carbide mineral so there is more mineral positioned to work quickly, last longer and produce a uniform finish throughout the life of the disc. Each strand on the face side of the disc is coated with mineral, ensuring the abrasive is where it can be most effective. In addition, the spaces within the web make it less prone to loading and helps improve the life of the disc. The 3M Finesse-it refining disc 3000 provides superior finishing for both wet and dry applications Silicon carbide mineral is very hard and fractures easily, resulting in freshly exposed sharp edges that cut extra fast and produce a smooth, professional looking finish. Silicon carbide products are commonly used for low pressure applications such as paint prep and finishing on wood and metal. While it wears faster than aluminum oxide, it produces a superior finish.