Brand Name: 3M | Grade: Medium | Grit: 80 Grit | Material: Ceramic Blend | Number in Package: 3 pk | Number of Holes: 8 | Size: 5 in. | Sub Brand: SandBlaster | Usage: Multisurface | Attachment Style: Hook and Loop Use on 5 random orbital sanders only. Use on many surfaces, including wood, metal & fiberglass. Will not discolor your sanding surface. Press disc firmly with a slight twisting motion. Backing is coated with extremely durable cubitron mineral, stays sharp. Resulting in a more consistent sanded surface & longer disc life. Cuts 3 times faster & lasts 3 times longer. | Has cubirton mineral that is sharp, durable and long lasting | Heavy fiber backing for strong and durable long life | Use on wood, oil enamel, latex primer, lacquer, sanding sealer and other coatings | Designed for use on random orbital sanders | Clog-resistant