• Diameter 4-1/2"
• Arbor 7/8"
• Grit 80
Dewalt DW8309 Features:
• Zirconia grit enables 3X faster material removal than fiber resin metal sanding discs
• Premium abrasive cloth provides up to 15 X longer life than fiber resin metal sanding discs
• Type 29 fiberglass backing provides optimal grinding angle of 10-25 degrees, allows full use of the disc, and won't mar the work piece
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