4-1/2" Aluminum Oxide Resin Fiber Discs Choose Grit: 16 to 120:100 Grit 25 Discs #09-1100 Ceramic Power

Ceramic Power

Quick-Change System: Hook & loop backing for fast disc changes

Self-Sharpening: Grains fracture under pressure to expose fresh cutting edges

Porter-Cable 371/371K

Anti-Loading Coating: Stearate coating extends disc life by preventing dust buildup

4-1/2" Aluminum Oxide Resin Fiber Discs Choose Grit: 16 to 120:100 Grit 25 Discs #09-1100 Ceramic Power4 1 2" Aluminum Oxide Resin Fiber Discs The Most Popular Angle Grinder Size USA1 Abrasives 4 1 2" Aluminum Oxide Resin Fiber Discs are the most popular size for angle grinder use in metalworking, fabrication, and construction. The heavy fiber backing provides the rigidity needed for aggressive stock removal, while aluminum oxide abrasive delivers reliable, consistent performance across a wide grit range. 7 8" arbor hole. Sold in packs of 25 discs.