... 3.DiameterBWG20-BWG44.Packing in carton or bag.Common Nail Features of common iron nails. 1) Diameter: 1/2"- ... 12", BWG20-BWG4. 2) Material: made of high-quality ... flat head diamond, point, smooth shank..4) Model: Common nails, Roofing nails, Book nails,Square boat nails, ... 1/2",3",4",5",6",7",8"Features of common iron nails:1) material: 195#,235# wire ...