Specially shaped flap disc with fins 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 cutting output with very high tool life due to the use of zirconia alumina Suitable for processing stainless steel and steel Uniform grinding finish comfortable grinding with only low vibrations Maximum working speed 80 m/s