Based on this product's specifications, here are some alternatives and similar models
Corner weld grinder Metabo KNSVB 18 LTX BL 150 - cordless, brushless, for fillet welds, incl. Metabox
Summary description:
Metabo KNSVB 18 LTX BL 150 is a cordless, brushless corner weld (fillet weld) grinder designed for preparing and finishing weld seams. The tool targets welding and metalworking tasks where access to tight corners is required and comes with Metabox transport case. Suitable for site and workshop use when portable power and precise edge treatment are needed.