For Standard Lockshield Type Radiator Valves with a 3/4" Male BSP Thread. 3/4" x 1/2" Radiator Tail Only. So when replacing an old rad, they throw these away with it! Not knowing that they are actually part of the valve.
Hepworth Hep20 HX73/10mm Radiator Lockshield Valve
Sandy Beach Anthracite Radiator Valves, Grey Radiator Valve Thermostatic, Anthracite TRV Radiator Valves - Grey Thermostatic Radiator Valve with Lockshield Valve Angled (15mm)
RDXMAX Universal Radiator Key Bleed Key UK – Radiator Bleed Screw & Radiator Bleeder Tool – Radiator Valve Key, Plumbers Radiator Key, Lockshield Valve Key, Radiator Spanner Keys to Bleed
15mm Radiator Valve Tail Extension Chrome 50mm, 75mm, 100mm Lengths Cut to Size
3/4" x 1/2" Union Radiator Valve Tail, Chrome, BSP Threads
3/4" x 1/2" Union Radiator Valve Tail (Single item)