The standard wheel shapes include; 1A1R, 1A1, 14A1, 6A2, 11A2, 12A2 45°, 12A2 20°, 11V2, 12V2, 11V9, 9A1, 9A3, 4A2, 12A9, 12C9, 14F1, 14EE1, 4BT9,etc.  (* We can design and produce grinding wheels of other specifications according to the customers' requirement.)