Based on this product's specifications, here are some alternatives and similar models
Hex Allen Bit FELO 6.0 mm — 25 mm length, FELO FL02460010
Summary description:
Hex Allen bit by FELO, size 6.0 mm with a 25 mm working length. Designed for driving and loosening hex-socket (Allen) fasteners, this precision bit fits standard bit holders and ratchet adapters. Suitable for workshop, assembly and maintenance tasks where consistent fit and torque transfer are required. Durable construction ensures repeated use in professional and DIY applications.