Cotton 8/4 yarn from Maurice Brassard et Fils Canada
Come on 225gm reels and have approximately 750m per reel. Unmercerised range.
Size? Twice as thick as the 8/2 range
Now available in Australia at a great price for this size yarn
Same colours as the 8/2 range...Best to view the colours at

https://www.petlins.com/cc/shopyarncc.html

Make a list then come back here and select your colours!

Colour range increasing with time