1) ib leeg strand barbed hlau,
2) ob chav strand ob npaug twisted barbed hlau;
3) ob chav strand ntau twisted barbed hlau.
4) Triple strand barbed hlau.
barbed hlau yog siv dav hauv kev ua liaj ua teb, kev lag luam hauv tsev, kev ruaj ntseg, kev lag luam thiab kev siv hauv tsev.Cov hlau muaj siab tensile thiab
yog tsim los ntawm huab cua pov thawj galvanized steel, yog li nws yog incredibly ruaj.