Maze 2-1/2 In. 12 ga Hot Dipped Galvanized Hardboard Siding Nails (730 Ct., 5
Extra stiff stock allows them to be driven through 2 thicknesses of hardboard siding without bending. Head drives flush. Double dipped in molten zinc. Recommended by hardboard siding producers. Spiral type provides added holding power. Head: 3/16″.