Roofing nail with umbrella head Dia: BWG8~BWG13 Size: 50 mm~ 100mm ( ... "~4") Material: Q195 or Q235 Finish:Galvanised or HDG Roofing nail with umbrella head 1) Dia: BWG8~BWG132) Size: 50 mm ... ,we can supply many other kinds of nails,such as Common Nails,Drywall Screw,Concrete Nails,Headless Nails and so on,please don't ...