Gemini FastCut Depressed Center Wheel, 4 1 2 in Thick, Aluminum Oxide no checkout 000 rpm Stock Status In 000 rpm Stock Status In Stock Structure Stringer Bead Knot Wheel Style Stringer Bead Twist Knot Wheels Trim Length [Nom] 3 4 in Type Wheel Brush UNSPSC 27111907 Used With Angle Grinders Welding Catalog NO Wt Lightweight horsehair brush Disposable [Nom] 4 1 2 in Grit 24 Hazmat NO Jan San Catalog NO Prop 65 NO Quarterly Flier NO Special Order NO Speed [Max] 13580 RPM Thickness [Nom] 1 4 in Tool Shape Type 27 Type Type 27 Welding Catalog NO The depressed center design allows the flange lock nut to recess within the wheel so that it can be used for various grinding and cutting applications