Clutch/brake line p clips.

[Call the midlife!]

Because it's late and I forgot earlier and can't be fluffed going out to the garage now, can anyone suggest what size p clips to order in the next half hour to replace the one thats rusted away please?
It's the one that holds the solid pipe  up to the underside of the car next to the handbrake bracket but can't remember if it's clutch or brake line. Fairly sure they're the same anyway but about 3/16 4mm?


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