Based on this product's specifications, here are some alternatives and similar models
Combination wrench Proline 21 mm CrV model 5354211
Summary description:
Combination wrench Proline 21 mm (CrV, model 5354211) is a hand tool combining an open-end and a ring-end for tightening and loosening fasteners. Made from chrome vanadium steel (CrV) for strength and durability, it suits automotive, mechanical and household maintenance tasks. Compact single-piece design provides reliable torque transfer and access in confined spaces.