roofing nail with umbrella head Size: 2'',2 1/2",3'',4" wire ... Roofing nails with umbrella head.Size: 2'' ,2 1/2" ,3'',4"wire diameter : 8g , 9g ,10g ,11g ,12g,13gsurface : ele- Galvanized ... or hot galvanzied or yellow .Twisted shank or plain shankpacking :1.. 20kg or 25kg per ... per the demandsplease contact us if possible roofing nail with umbrella head