Double Ended Radiator Key Type 3 1/2in Section

Scottool Double Ended Radiator Key.Features of this key include 10 mm square on one for installation of 1/2 in BI plugs and 1/2 in air vent plugs, whilst the other for installation of internal hex valves and internal lug type valves.1/2 in section.High quality hexagon keys, zinc plated for corrosion resistance.A must for installing or maintaining heatingsystems.