Arbor Mount Sanding Disc, Vacuum Hole Design No Hole, Disc Dia. 4-1/2 In., Grade Medium, 80 Grit, Abrasive Type Closed Coat, Abrasive Material Zirconium Aluminum Oxide, Backing Material Fiber, Backing Weight Y, Mounting Hole Size 7/8 In., Color Brown, Series Z, Max. RPM 13,300, Package Quantity 100
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