Clarks O.N.T. 3 cord mercerized cotton thread is a vintage sewing thread that comes in a lot of 6. 
Each spool has 1700 yards of size 00 thread. 
It is suitable for use with sewing machines, overlock/serger machines, and hand sewing. 
The thread is made in the United States and is perfect for general sewing projects.
There are 4 soft blue with a tinge of green, 2 aqua.

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