2" COMBIDISC Abrasive Disc - Type CD - AO Compact Grain - 800 Grit 100PK The self-sharpening compact grain facilitates a very long service life and achieves consistent surface quality levels throughout the entire service life..
.Heavy-duty power tube brush with M-BRAD® nylon abrasive filament, excellent for conditioning internal bore holes as well as cleaning threads and burrs at cross-holes.