PFERD Special Line SG-PLUS Flat Cut-Off Wheel, Aluminum Oxide Abrasive, 46 Grit, Medium Grit Grade, 7/8 in Arbor, 13300 rpm Speed, 4-1/2 in Diameter, 0.045 in Thickness, Applicable Materials: Carbon Steel, Ferrous Metal and Stainless Steel, Suitable for: Angle Grinders