The United States drywall steel studs, steel wall studs,size:40/64/75/92/100/150x50mm ... 5-2.5mm,zine:50-275g,lenght:15 drywall steel studs, steel wall studs,size:40/64/75/92/100/150x50mm ... 5mm,zine:50-275g,lenght:1500-12000mm,,very vertical.the exprot state: the United States, Japan, Malaysia, ItalyChile...DESCRIPTIONSize(mm) ... channel15*38*35*38*150.3-1.52000-12000 The United States steel studs,