10 Pack 4-1/2" x 7/8" Black Hawk Zirconia Grinding & Sanding Flap Discs T29 (60 Grit) Type 29 (Angled) - Choose 10 Pack of 40, 60, 80 or 120 Works well on all types of metals Perfect for finishing work, deburing, and grinding Long Lasting Premium Zirconia Grains For use with an Angle Grinder