... Speciafications(TFO and Ring twist):12/3, 20/1,2,3 30/2 3,40/1, 2 3,42/2,50/2 3,60/2 Main Technical index:Yarn Countyarn evennessActual Count ... (Dtex) Standard/ Tolerance limit(+/- 2.5 ... Serious faultTotal faultStandard fault 5.8%14%12-14775100 100% spun polyester yarn sewing thread 20s/2 raw white