Based on this product's specifications, here are some alternatives and similar models
Angle grinder accessory Dedra DED79551, 18 cm diameter, 1 pc
Summary description:
Dedra DED79551 is an angle grinder accessory with an 18 cm diameter, supplied as a single piece per pack. Designed for fitting to compatible angle grinders, it serves typical cutting, grinding or polishing tasks depending on the attachment type used. Useful for metalworking, masonry or surface preparation where an 18 cm disc size is required.