SAIT Cut-Off Wheel, Thin High Speed, 7 in Wheel Dia, 1/16 in Wheel Thickness, 7/8 in Center Hole, XA46R Grit, Medium Grade, Aluminum Oxide Abrasive, 8500 rpm Maximum, Resin Bond, Applicable Materials: High Tensile Alloy and Stainless Steel, Wheel Type Number: Type 1, Wheel Hardness: R, For Use With: Circular Saw and Angle Grinders, Reinforced: Yes.