Based on this product's specifications, here are some alternatives and similar models
Angle grinder accessory Proline 44814 — 12.5 cm diameter, single piece
Summary description:
Replacement accessory for angle grinders by Proline, model 44814, with a 12.5 cm diameter. Supplied as a single piece per pack, this accessory is intended for mounting on compatible handheld grinders to perform cutting, grinding or surface removal tasks depending on the specific disc or wheel type used. Suitable for DIY and professional use where a 125 mm diameter accessory is required.