Use during stage 3 and 4 of the 3M™ Body Repair System. For use with 3M™ Stikit™ Vinyl Backup Pad and a 3M™ Dual Action Orbital Sander. Long-lasting mineral resists loading. Makes sanding easy and convenient. Designed for automotive hand or power sanding, the 6-inch aluminum oxide disc is versatile, tough, and self-fractures to continuously expose fresh cutting edges. It Is easily attached to the 6 inch 3M™ Stikit™ Disc Pad #03146 for use with a household drill, and can also be used on a dual action orbital sander. It peels off easily once the job is done.