Based on this product's specifications, here are some alternatives and similar models
Spanner (open-end wrench) NEO tools 6x7 mm model 09-806
Summary description:
Open-end spanner from NEO tools, model 09-806, with two working sizes 6 mm and 7 mm. Designed for tightening and loosening bolts and nuts in confined spaces where a compact double-size wrench is needed. Suitable for mechanical, electrical and household maintenance tasks requiring precise hand torque on small fasteners.