Radiator Lockshield type Valve Key (2 in 1) NEW DESIGN 2026 WHITE. If your tap is seized up, replace it before using this tap key! for use with 7mm x 3mm and 6mm x 6mm radiator valves only! (one way they are 7 x 3mm or flip it over and use the top for 6 x 6mm rad valves).
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