Technical data: Diameter [mm]: 40 Width [mm]: 20 Shank diameter [mm]: 6 Grit size: 120 Vmax: 40m/s Permissible speed: 19000 U/min Advantages: Universal product for machining steel and stainless steel - Uniform performance - Suitable for machining hard-to-reach places. Flap wheel for hand-held machines. Suitable for machining profiled parts, internal surfaces, narrow and hard-to-reach areas, primarily for radial grinding. ** Photo is for illustrative purposes only.