Aluminum zirconium, 80 grit 4-1/2" Wheel
Innovative zirconia grit gives DEWALT Type 29 Flap Discs the power to remove material 3 times fast than fiber resin metal sanding discs.
Type 29 fiberglass backing provides a grinding angle of 20-25 degrees.
A premium abrasive cloth offers a life up to 15 times long than fiber resin metal sanding discs.
