Based on this product's specifications, here are some alternatives and similar models
Hex Precision Keys Set 7 pcs, högert technik HT1W800 — sizes 0.71–3.00 mm
Summary description:
Set of 7 precision hex (Allen) keys by högert technik, model HT1W800. Includes small-size hex keys ranging from 0.71 mm to 3.00 mm for accurate fastening and adjustment of electronics, optical devices, instruments and miniature assemblies. Designed for precise torque control, close-tolerance fit and routine maintenance or repair tasks requiring fine hex fasteners.