Specially shaped flap disc with lamellae that are rounded off towards the outer edges., Grinding media: Zirconia alumina, Thanks to the special design it is particularly suited for processing fillet welds; making faster and more efficient processing possible; also suitable for surface grinding, High material removal with very high tool life thanks to the use of zirconia alumina, Suitable for processing stainless steel and steel, Uniform grinding result, comfortable grinding with only low vibration, Maximum working speed 80 m/s