Detailed Product Description Detail information of the suspending fasteners for wall keel system as follows, pl kindly contact with me for more detail.Material: Q195,Q235,Q345GalvanizedMain products:Suspending fasteners:Q50,Q75,Q100,Q150, thickness:0.7MMStud:DC50,DC75,DC100,DC150Track:DU50,DU75,DU100,DU150