... for sewing thread 1.Original materal 2.Good quality(eg:high strengh,no knots 20/2 100%polyester yarn for sewing thread ... knots , low e-longation, brighter ,evenness.6.Model Number :20s/2,30s/2,40s/2,50s/2,60s/2,20s/3,30s/3,40s/3,50s ... product machines are atom atic which imported from ItalyYarn TypeWeight (g/100m)TwistStrength(cn)T20s/25.8259.62200T30s/23.9681600T40s/22 ...