... 3.Length:1"-4" 4.Packing:25kg/box All NailsDescriptionMaterialSizesPackingConcrete Steel NailsQuality steel, Head: flat, countersunkBody: flat, straight lines, twilled linesPoint: ... each master cases,and then 7lbs x 16slave cartonBlack concrete nails, special concrete nails45# SteelSurface: Black Oxide1,1-1/4,1-1 ... /2" t 6"Diameter: BWG5 - BWG1810-15 kg /carton stainless steel concrete iron nails