... in carton or bag.Common Nail Features of common iron nails. 1) Diameter: 1/2"-12", BWG20-BWG4.2) Material: made ... , smooth shank..4) Model: Common nails, Roofing nails, Book nails,Square boat nails,Duplex Head Nails, Finishing nails,Coil Nails,Cement Nail,U-shade Nail, etc..Common NailsSpecifications ... ",3",4",5",6",7",8"Features of common iron nails:1) material: 195#,235# wire rod or according to ...