This is a 3M Cubitron II 732U abrasive disc, specifically a 6-inch diameter, P800+ grit disc with a flexible C-weight backing and 3M Hookit attachment. This disc is designed to cut materials faster and last longer than conventional abrasives due to its precision-shaped ceramic grain, which is crucial for efficient stock removal and achieving a consistent finish across various materials without needing frequent disc changes.
- Efficiency: The disc uses 3M’s proprietary precision-shaped grain technology, which continually fractures to expose fresh, sharp edges. This means you can complete your sanding tasks quicker and use fewer discs over the life of the job.
- Ease of Use: The 3M Hookit system allows you to change discs quickly and cleanly. The flexible C-weight paper backing makes it suitable for contoured surfaces and applications where you need some conformability rather than absolute edge rigidity.
- Versatility: It performs reliably on a wide range of substrates, including metals, composites, gelcoat, and wood, making it a reliable choice for shops that handle varied materials.
Who this is best for
This disc is ideal for autobody technicians, composite fabricators, and manufacturing professionals who require high-performance sanding for stock removal, fine finishing, and prep work, especially when working on varied surfaces where speed and a consistent finish are key priorities.


