Based on this product's specifications, here are some alternatives and similar models
Angle grinder accessory Dedra H1060 — 11 cm diameter, pack of 1
Summary description:
Dedra H1060 is an angle grinder accessory with an 11 cm diameter designed for use with compatible angle grinders. Supplied as a single piece per pack, it serves as a replacement or supplementary disc component for cutting, grinding or surface preparation tasks, suitable for DIY and professional metal or masonry work where the specified diameter is required.