Radiator bleeding key. Brass t ommy bartype. 1/4" bsp valve fits into a 13mm hole size. a 1/4" bsp valve fits into a 13mm hole size. Radiator air Bleed Valve Brass. These do not correspond to the actual hole size in the radiator as for example.
Radiator Bleeding Valves & Key Quality Brass 1/8" 1/4" 1/2" BSP Plumbing Tool
Radiator Bleeding Valves & Key Quality Brass 3mm 6mm 13mm Plumbing Tool
UK Radiators Bleed Valves 1/2" Radiator Bleeding Blanking Plug Brass Anthracite
8Pcs Professional Radiator Key, Radiator Bleeding Key & 4-in-1 Utility Tool,Radiator Bleed Key UK for Bleeding Air Vents and Gas/Electric Meters
Chrome Cover Cap for Towel Radiators blanking plugs and bleeding valves (pair)
Two White Cover Cap for Towel Radiators blanking plugs and bleeding valves