Flax Stitching Twine 308 (by the metre or in a ball)

This is stitching twine (308) made of flax and used in traditional upholstery for all kinds of stitching (blind stitching, top stitching, sewing bridle ties etc.)
It comes by the metre or either in a ~250g ball or on a cop.
~1mm dia.
Break strain: ~12kg

Please note that the ball size is approximately 250 grams but this can vary.