Based on this product's specifications, here are some alternatives and similar models
Hex key L-type 4 mm Bondhus 13860 — manual Allen wrench for hex fasteners
Summary description:
L-type hex key (Allen wrench) 4 mm by Bondhus, model 13860. Solid steel L-shaped tool for driving and tightening hex-head fasteners in assemblies and repairs. Suitable for workshop, maintenance and DIY tasks; compact design provides torque and access in confined spaces. Single-size tool offering reliable fit to 4 mm hex sockets.