Based on this product's specifications, here are some alternatives and similar models
Brush flap for satin finishing machine STABILUS 120×100 mm, grit 80
Summary description:
Flap brush (listkowa) for satin-finishing (satyna) machines by STABILUS, dimensions 120×100 mm with abrasive grit 80. Designed for surface texturing and satin finishing of metals and other materials, it provides consistent abrasive action across the workpiece. Suitable for inline finishing, deburring and creating uniform satin textures on edges and flat surfaces in industrial and workshop use.