Yes your NGK ITR6F13 plugs are laser iridium. More info here. They appear to be an NGK recommended upgrade for Focus 2.0 Mk 2 2004-2011 among others.

Below is probably the best pic of those you linked to.

[Linked Image]

I agree with others that the red insulator colour is likely down to fuel additives. My colour chart matches to use of lead replacement petrol but otherwise normal.


Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone