... , 68x35x22x12x0.45mm,70x35x40x12x0.45mm,80x50x22x12x0.5mm steel stud:1,Size 40*35mm,50x35mm, 70x35mm, 75x35mm, 100x35mm,2,lenght 2000-15000mm,3 ... /12/20 pcs for each package. steel track:1,Size 40*30mm,52x25mm, 72x25mm, 77x25mm, 102x40mm,2,lenght 2000-15000mm,3,zinc ...