Roofing nails with smooth/twisted shank

Roofing nails with smooth/twisted shankUmbrella head roofing nails specifications:CommodityUmbrella head roofing nailsMaterialQ195 iron wire rod or according to request.HeadUmbrella headFinishElectro GalvanizedShankPlain shank, Twisted shank, Screw shankPointDiamond pointPackingin box, carton, case, plastic bags, etc.Size9BWG X 1-1/2'', 2'', 2-1/2'' ,3''10BWGX1-1/2'',2'',2-1/2'',3''11BWGX2'',2-1/2'',3''12BWG X2''13BWGX1.5",2"Loading PortQingdao, ChinaMOQ25Tons or NegotiablePa