C-Lon fine weight bead cord is a superior bead cord for micro macrame, bead crochet, bead stringing and kumihimo. This bonded nylon cord is a finer weight than regular bead cord and can be used with seed beads as small as size 11. The size of this thread is Tex 135 and the diameter is about 0.4 mm. It comes on a bobbin measuring 0.75" X 1.5" and contains approximately 50 yards per bobbin.