... Surface treatment: Polished, electro galvanized, hot-dip galvanized7) Description: umbrella head, smooth body, twist body8) Package: Bulk packing; carton, bag, ... wooden box:9) Galvanized roofing nailroofing nail with umbrella head Certification: ISO9001:200010) Min order: 10ton for trial order quantity11 ... 52.7418bwg12*2" 50.82.7418 Galvanized roofing nailroofing nail with umbrella head