Yori-Ito Silk is a two-ply highly twisted yarn made for karakumi braids. It is also a wonderful yarn to use on other Japanese braiding equipment and for bobbin lace, knitting, and weaving techniques.
There are 14 colors that are sold in skeins that are .5oz/65yds (142.7gr/59.4m) each.
No color card yet, check back in a few weeks.