Duo Fast CS153G 2-1/4-Inch x. 099 Smooth Shank Electrogalvanized 0 Degree Plastic Collated Coil Nails, 3600 Count Duo-Fast plastic collated nails are flagless and reduce corrosion and staining Reduces rust stains and streaks on fencing or siding from corroded nails due to flagging and reduces "call backs" No flying wire fragments No wire fragments under nail head that could cause rust stains or streaks on siding or fencing No corroded fasteners due to wire fragements left from wire-weld coils