Based on this product's specifications, here are some alternatives and similar models
Flap Disc Andre 125 mm P40 Ceramic, Master Line Version III
Summary description:
Flap disc by Andre, 125 mm diameter with P40 ceramic abrasive grain, Master Line Version III. Designed for angle grinders to perform grinding, deburring and surface preparation on metal and welded joints. The ceramic abrasive provides aggressive material removal and longer life compared to standard aluminium oxide discs. Suitable for industrial and workshop use.