Australia galvanized top cross rail for metal ceiling,25*21*0.75mm, furring channel16/28*38*0.55mm,galvanized:50-275g Australia galvanized top cross rail for metal ceiling:1)Standard in Australia , 2)Thickness:0.5-1.5mm, 3)galvanized:120-275g ,4)Very Perpendicular, 5)Support is fast construction, 6)Length size according to the customer size manufacture COMPONENTSPARTDESCRIPTIONSize(mm)Length(mm) ...