PFERD Performance Line SG Depressed Centre Cut-Off Wheel, Aluminum Oxide Abrasive, 46 Grit, Medium Grit Grade, 7/8 in Arbor, 12200 rpm Speed, 5 in Diameter, 0.045 in Thickness, Applicable Materials: Cast Iron, Sections, Sheet Metal, Solid Material and Steel, Suitable for: Angle Grinders