1.q235 or q195 2.polished or zinc galvanized 3.ISO9001 4.highest quality Commodity:Nails with iron Material:Q195,polishingSpecification:1"XBWG18,3/4"XBWG18,1/2"XBWG18,1-1/2"XBWG14,2"XBWG14,2-1/2"XBWG12,3"XBWG10,4"XBWG8,5"XBWG7,6"XBWG6. Nails with iron