Based on this product's specifications, here are some alternatives and similar models
Electrode Finder Finder 072.500 — 500 mm probe length
Summary description:
Electrode Finder 072.500 by Finder is a 500 mm electrode detection probe designed to locate and test electrodes in electrical and HVAC installations. The compact probe provides precise reach into panels and equipment, helping technicians identify electrode positions and continuity. Suitable for professional maintenance, inspection, and troubleshooting tasks.