Super-Snap X-Treme Super Polishing Disc Aluminum Oxide Super Fine Contra Angle 50/Box Super Fine, Standard, Contra Angle. Super polishing hybrid and micro-filled composites. More durable, flexible, thicker, and powerful. Semispherical grits for better debris management. The Super-Snap X-Treme Red (Super Fine Grit) disks are specially engineered disposable polishers that provide convenient, time-saving, and secure super-polishing hybrid and micro-filled composites. These disks are even more flexible than the regular Super-Snap for added efficiency during procedures while avoiding breakage even under pressure.The Super-Snap X-Treme, made of aluminum oxide, features a groundbreaking 3D semispherical surface coating and semispherical grits for better debris management. These disks have added thickness for extra power during polishing.