3M 563D FLAP DISC - High-Performance Abrasive disc designed for heavy duty grinding, blending , and finishing .With durable zirconia alumina grains , it delivers fast cutting, longer life, and consistent result.Sep 23rd, 2025 6:15 PMShare this on :KeywordsHeavy duty grinding flap discZirconia alumina abrasive discHigh-performance 3m flap disc