Surface finish: Polish, also can galvanized. Feature : Our common nails is very hard, with flat head,straight and bright shank,sharp-end,without any rust. Packing: 1. Common packing is inside and then carton outside 2. Boxes inside and then carton outside 3. Plastic inside then woven bag or hessen bag outside. 5.Any other packing as per your requirement. Application: construction ,sand casting ,furniture repairing,wooden case etc.