ORI3331 Features: * Fast, burr-free cutting and grinding various metals * Arbor Diam: 7/8 in * Abrasive Material: Aluminum Oxide * Grit: 36 * Hardness Grade: T * Speed: 12200 rpm [Max] * Applications: General Purpose Cutting * Applicable Materials: Ferrous Metals, Iron, Steel * Used With: Right Angle Grinders Dimensions: * Thickness: 1/16 in