Beading enthusiasts everywhere are raving about the development of this great new Japanese beading thread, made by Master Beader Sonoko Nozue. It is a higher quality alternative to Nymo, similar in diameter to Size B. Made of 100% nylon, K.O. is colorfast, pre-waxed, abrasion and tangle-resistant and can be knotted tightly. Use with size 10 or 12 beading needles. Qty: 1 Spool of 55 yards