Based on this product's specifications, here are some alternatives and similar models
Hex Key (Allen Key) 9 mm JCB model JCB-76409
Summary description:
JCB 9 mm hex key (IMBUS) JCB-76409 is a single-piece hand tool for tightening and loosening hex (Allen) fasteners with a 9 mm head. Designed for manual workshop, maintenance and assembly tasks, it provides a compact form for access in confined spaces and compatibility with 9 mm hex bolts and screws.