WZ Radiator Key is Useful for Bleeding and Venting Air from Radiator Valve. WZ Air Vent Key is Manufactured with a Square Opening Which will fit Most Radiators Without Damaging the Radiator Screw. WZ Bleed Key for Radiators. Clock Type Design WZ Key's Clock-Type Shape Makes the bleeding Key Easier to turn. Suitable for Key Chain This branded key can be added easily to the keyring so it will not be lost. Size WZ Bleed Key Fits a 5mm square bleed Screw. Solid Brass Key This radiator key is made from high quality premium brass and Will not Bend or Break. Read more WZ Bleed Key WZ produces high quality radiator keys which is useful for bleeding and venting air from Radiator valve. Its clock-type shape makes the bleeding key easier to turn.This radiator key is made from high quality premium brass, making it durable and crack-free.
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