This radiator spanner features an Allen key design, providing leverage for the effortless fitting and removal of even the most tightly secured hollow radiator valve connectors and vent plugs. It is zinc-plated for durability and includes 1/2" and 1/2" internal lugged radiator valve connectors, along with 3/8" and 10mm square vent plugs. This versatile tool ensures effective maintenance and adjustment of radiator components.
