... head 3.Package:25kgs/ctn, 7lbsx16box/case Galvanized Umbrella head Roofing NailsRoofing nails Roofing nails can be made with a variety of types ... head or Umbrella Head, Diamond Point, Smooth Shank and Twisted Shank. Different shank types offer various properties for the roofing nails and ... , Etc.25kgs/CTN in bulk, or inner box, Woodcase ,ect Umbrella Roofing Nails