This is a good quality valves set with a 1/2inch male iron tail that will fit most domestic radiators. Also included is a 15mm lockshield valve for fitting to the other end of the radiator. Inline or angled version. Body: Brass; Colour: White; Type: Inline; Thread sizes: 1/2" BSP (15mm); Max. working pressure: 10 bar; Max. working temperature: 120C deg; 100% leak test with an electronic system; Entrance + Lockshield Valve in set;