C-lon or S-Lon Beading cord is available in 3 thicknesses including Micro Cord Tex 70, Fine Tex 135 and Standard Tex 210/#18

Micro cord is ideal for beads with small holes, Fine Tex 135 is slightly thicker and is a great happy medium between micro and Tex 210/#18. Standard Tex 210/ #18 is the most commonly used thickness for kumihimo.