3M 3M Hookit 366L Coated Aluminum Oxide Hook & Loop Disc - 30 Grit - 4 1/3 in Diameter 4 Vacuum Holes - 61030 60650039807

3M Hookit coated 366L hook & loop disc uses aluminum oxide as the abrasive material and has a diameter of 4 1/3 in. 3M incorporates this aluminum oxide material into the hook & loop disc forming a grit of 30. To aid in dust control, this product is designed to work with vacuum systems and comes with 4 holes built into the Hook & Loop Disc.