Monument Steel radiator spanner for 3/8 in and 10 mm square section radiator vent plugs and bleed screws. Zinc plated finish with slightly offset handle. https://elecena.pl/product/27211894/monument-2053u-radiator-spanner 2024-11-10 https://elecena.pl/product/27211894/monument-2053u-radiator-spanner 2025-03-22 https://elecena.pl/product/27211894/monument-2053u-radiator-spanner 2025-09-15 https://elecena.pl/product/27211894/monument-2053u-radiator-spanner 2025-11-18 https://elecena.pl/product/27211894/monument-2053u-radiator-spanner 2026-01-03