... : Smooth Accept custom-made Common Nail, Iron Nail, Roofing Nail, Concrete Nail, Steel Nailmaterials: Q195, Q235Finish: Bright, Electro Galvanized, Hot Dipped ... Galvanized, Painted,etcReference specifications:Concrete Steel NailsElectro-GalvanizedBlue-FinishedNail LengthGauge No.Approx. pcs per lbNail ...