Twisted Shank Umbrella Roofing Nails with Washer QINGDAO CONSTAR TRADING CO., LIMITED Base Info Model NO.:moreStandard:ANSI, DIN, GB, ISO, JISType:Roofing NailMaterial:SteelTrademark:CONSTARTransport Package:ContainerSpecification:9G*2.5", 12G*2.5"Origin:ShandongHS Code:73182300 Description Pre:Grade 4.8 Galvanized M8 M10 M12 Eye Screw Next:Goshen M20 Carbon Steel M20 Eye Anchor Bolt