there should be a part number on each of the cartridges, google it and buy from https://simplybearings.co.uk/
They've had a hard life, so I can't read any part numbers, sadly.
But thanks!
Is it the original headset? What bike is it?
@andyp started
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there should be a part number on each of the cartridges, google it and buy from https://simplybearings.co.uk/