This magnetic test probe adapter enables fast and secure contact with screw heads. The slightly concave form of the magnetic tip provides for good contact even with domed screw heads. Designed with a 4mm socket connector in the handle, suitable for use with 4mm security plugs. This probe is rated for CAT III 1000 V, ensuring high safety standards. https://elecena.pl/product/28042730/st-ubli-669516-21-xma-7-safety-test-probe-cat-iii-1000v-4mm-jack-black 2025-03-19 https://elecena.pl/product/28042730/st-ubli-669516-21-xma-7-safety-test-probe-cat-iii-1000v-4mm-jack-black 2025-05-16 https://elecena.pl/product/28042730/st-ubli-669516-21-xma-7-safety-test-probe-cat-iii-1000v-4mm-jack-black 2025-08-01 https://elecena.pl/product/28042730/st-ubli-669516-21-xma-7-safety-test-probe-cat-iii-1000v-4mm-jack-black 2026-03-09 https://elecena.pl/product/28042730/st-ubli-669516-21-xma-7-safety-test-probe-cat-iii-1000v-4mm-jack-black 2026-05-17 https://elecena.pl/product/28042730/st-ubli-669516-21-xma-7-safety-test-probe-cat-iii-1000v-4mm-jack-black 2026-07-02 https://elecena.pl/product/28042730/st-ubli-669516-21-xma-7-safety-test-probe-cat-iii-1000v-4mm-jack-black 2026-07-25 https://elecena.pl/product/28042730/st-ubli-669516-21-xma-7-safety-test-probe-cat-iii-1000v-4mm-jack-black 2026-08-17