Based on this product's specifications, here are some alternatives and similar models
Hand tool wrench JCB 23 mm flat-ring combination spanner
Summary description:
Combination spanner by JCB with 23 mm size, featuring a flat open-end on one side and a ring (box) end on the other. Designed for tightening and loosening hex fasteners in mechanical, automotive and maintenance tasks. Durable construction suitable for workshop and professional use where a single tool must perform both open and closed grip functions.