C-lon Micro Cord is the smallest size of cord, just a bit larger than a size D thread. Beading Needles eQuilter code: CLNED233. Industry size Tex 70, each bobbin of nylon cord measures .75" x 1.625" and has approximately 100 yards (91 meters) per bobbin. C-lon Micro Cord is approximately .115mm in diameter with a breaking strength of 11 lbs. Flax. Made in the USA.