[FINE & BLUE]
[COARSE & BROWN]
[MIDDLE & RED]
25 Pack of LAUCO Abrasives 3" Surface Conditioning Discs Types of grit: Coarse / brown, Middle / Red, Fine / Blue. Long Lasting Premium Quality Sanding Grains Universal Male Type-R Connection, the nylon material of the discs works effectively and removes surface oxidation and rust on metal surfaces. Surface Preparation Disc for Stainless steel, steel, non-ferrous materials and alloys, plastic, and fiberglass Efficient quick-change discs are used for welding and autobody work, surface conditioning, gasket materials, etc.