... 4)packing:carton,wooden case,bag. 11gauge twist shank galvanized roofing iron nail with umbrella head Our company had engaged in ... 3.15mm*2.5" plain2)Material:Q2353)surface:polished and galvanized blue white4)packing:carton,wooden case,bag. 5)Length: ... Q235 8)Products Features:umbrella head,diamond tip, polished and galvanized surface, strangely anti-rusting. 9)Usage:industry instruction, building, ...