"Our all-rounder SERALON in the thickness 30 is very well suited for this. This sewing thread has the right quality features for demanding sewing tasks, even if thicker materials are used. This..." - 29.12.2009
Yarns can be Z or S turned. Z turning can be seen by the fact that the thread continues to be closed to the left as a result of the turning (anti-clockwise)...' 12.08.2010