1/8" BSP (10mm across the thread). 1/4" BSP (13mm across the thread). 1/2" BSP (21mm across the thread).
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
