High Performance, Abrasive-Grade Aluminum Oxide Cut-Off Wheel. Resin Bonded and Fiberglass Reinforced for Maximun SafetyUltra Thin Thickness Improves Cutting Accuracy, Minimize Material Waste and Burr Formation.Used with Angle Grinder for cutting mild Steel, high allow steel, cast iron, full materials, thick walled tubes, profilesDiameter: 7 in / Arbor Hole: 7/8 in / Thickness: 1/16 inAvailable Package Quantities: 5, 10, 30, 50 or 100 Discs - Select your option from the Size Menu.