Steeel Concrete Nail Dia:1.2-4.5MM Length:20-100MM color:galvanized or black Commodity Name:Concrete Steel NailsMaterial:Quality steel,Head: flat, countersunkBody: flat, straight lines, twilled linesPoint: diamondType: hot dipped galvanized, electro galvanizedsurface finish: bright zinc platedSizes1,1-1/4,1-1/2,2, 2-1/2,3, 3-1/2,4payment:30%advance,70% afther bl copy zp concrete steel nail