The 3M™ Cubitron™ II Stikit™ 5" film disc 775L features 3M precision-shaped ceramic grain, a revolutionary advancement in abrasive technology. The triangular-shaped ceramic mineral is designed to slice through the substrate. Ideal for stock removal, and effective on a wide variety of substrates, including metals, composites, gel coat, and whitewood. Tear-resistant film backing for greater edge retention. 3M Stikit attachment makes changing discs fast and easy. Disc Film, N/Holes, 5 in.dia., 80 Grit,