WD Tools 10609 2-Inch Roll On Surface Conditioning Sanding Disc Assortment with Mandrel (30-Pc) WD Tools 2" Roll On Surface Conditioning Discs Assortment Coarse, Medium and Very Fine Grits (10Pc in each) Premium Quality Non-Woven Abrasive Includes 1-Pc 2" Roll Lock Disc Holder Mandrel with 1/4" Shank