Concrete Nails: 1)Size,1"-4";Thumb Steel Concrete Nails 2)Material,45# Steel concrete nail:1.Material:Q195 or 2352.Surface:Black also polished, electro-galvanized, hot-dipped galvanized3.Nail Head:Countersunk,Checkered head4.Nail point:Diamond Point5.Dia. of shank:BWG4-206.Length:1/2"-12" 7.Packing: A)small plastic bag and small box of 1kg,2.5kg,3kg,5kg B)in cartonor bag of 25kgs/20kgs/50lbs C) ...