3M™ Cubitron™ II Hookit™ 950U Paper Disc 3M™ The 3M™ Cubitron™ II Hookit™ 950U paper disc is designed to deliver exceptional sanding performance with fast material removal and long disc life. Featuring 3M's precision-shaped ceramic grain technology, this disc provides fast, consistent cutting while generating less heat, enhancing user comfort and extending disc durability. The paper backing ensures a smooth, uniform finish, while the Hookit™ attachment system allows for quick and easy disc changes. The 950U is ideal for applications such as sanding metal, paint, wood, and composites in demanding industrial environments. Learn more