Technical data: Diameter [mm]: 40 Width [mm]: 20 Shank diameter [mm]: 6 Granulation: 80 Vmax: 40m/s Permissible number of revolutions: 19000 U/min Advantages: Universal product for steel and stainless steel processing - Uniform performance - Suitable for machining hard-to-reach areas. Mandrel abrasive wheel for manual machines. Suitable for machining profiled workpieces, internal surfaces, narrow and hard-to-reach places, mainly for radial grinding. ** The picture is for illustrative purposes.