We offerBlack Concrete Nailswith following specifications:
Head size of this nail
Wire diameter 4．0 mm x nail length 35mm
Wire diameter 4. 0 mm x nail length 40mm
Nail Wire Diameter: 1.2mm to 5.0mm
Nail Length: 12mm to 254mm
Material: #45 high grade carbon steel
Package: 25kg/ carton