4-1/2" 40G Flap Disc

Diablo, 4-1/2", 40 Grit, X-Lock Flap Disc, Steel Demon Grinding & Polishing Flap Discs Grind & Polish Simultaneously To Help Scale Down & Smooth Out Metal & Stainless Steel Surfaces, Featuring X-Lock, Can Be Changed Quickly Without The Use Of Tools, A Conical Shape & 40 Grit Composition Combine For 10X Faster Material Removal, Designed To Be Backwards Compatible, These Discs Work With X-Lock Angle Grinders & 7/8" Arbor Angle Grinders When Grinding & Polishing Metal Materials.