high strength and fr resistant property, cut resistant features:1)thread counts:20s/1,20s/2,21s/1,21s/2,28s/1,28s/2,30s/1,30s/2,30s/3,32s/1,32s/2,40s/1,40s/2,40s/3;2)color:yellow;black;blue...3)high strength, cut resistant4)used for stitching shoes;glove... para-aramid sewing thread