Based on this product's specifications, here are some alternatives and similar models
Wrench ring offset Dedra 10 x 11 mm model 1423
Summary description:
Offset ring wrench Dedra 10 x 11 mm (model 1423) is a hand tool with two differently sized ring ends for tightening and loosening fasteners. The angled head provides clearance in confined spaces and improves access to nuts and bolts. Suitable for mechanical, automotive and household repairs where 10 mm and 11 mm fasteners are used.