5930 siaglide Ø240mm P800 (Pack of 50)5930 siaglide ultra fine large diameter discs are designed for use with large backing plates on rotary or dual action polishers for large area paint preparation. At P1500 P6000, these discs work at the boundary of sanding and polishing, removing fine defects and sanding marks from large painted surfaces before the final machine polish step. Ideal applications: Large area paint correction in automotive body shops Aerospace paint system final