Measurement:three-Inch(75mm)diameter wheel; 1/four-inch shank;Most 4500 RPM
Nice for putting off paint rust corrosion & burns from huge flat surfaces
Those nyalox brushes last as long as 10 occasions longer than twine brushes
This package contains：1*purple（80grit），1*grey（120grit），1*blue（240grit）
More secure to make use of than twine brushes
