L shape radiator valve key for the installation and removal of tails from union type radiator valves.
10mm square section for radiator vent plugs.
13mm (1/2in) hex end with grooved section fits internal lugged valves.
Zinc plated for rust protection.
Note: Does not fit the air bleed vent at the top of radiators (You will require FAIRADKEY Radiator Keys for this).