Premium 100% unbleached flax linen book cord. Thanks to its long, durable fibers, flax linen cord has been used for centuries as a strong and flexible sewing support. Manufactured in France, this cord is spun and plied to the highest standard. Only available in one size, sold in 2-yard lengths. Compare with CXD and MDL flax linen cord. 

If you’re curious to know more about number system used to describe thread and cord sizes, check out this post by book conservator and toolmaker Jeff Peachey.   

Photo: Detail of sewing sections of Antique 102 Hahnemuhle Ingres Paper on raised bands with 18/3 Colophon’s Best Linen Thread (Natural). Photo and sewing by Brien Beidler.