Based on this product's specifications, here are some alternatives and similar models
Socket bit / adapter Proxxon VZ 16 1/2" 100 mm
Summary description:
Proxxon VZ 16 is a 100 mm socket bit/adapter with a 1/2" drive designed for connection between tools and fasteners. Manufactured by Proxxon (MPN PR23377, EAN 4006274233775), it serves in mechanical and maintenance work where a 1/2" interface and a 100 mm length are required for reach and torque transfer.