The 3M 36176 Hookit Blue Abrasive Sanding Disc is a set of 50 dry sanding discs designed for automotive and shop use. Each disc is 6 inches in size with a 180 grit level, ideal for medium to fine sanding applications. The discs feature a multi-hole design for efficient dust extraction and are easily attached using the Hookit/Hook & Loop system. Manufactured by 3M, a trusted brand in the industry, these blue sanding discs provide reliable performance for a variety of sanding tasks.