Grip-Rite Roofing Nail, Head Size: 7/16 in, Head Type: Large, Shank Type: Barbed, Smooth, Point Type: Diamond, 2 in L, Material Gauge: 11 ga, Steel, Electro-Galvanized, Approximate Nails per Pound: 144 lb, Package Weight: 1 lb
Large head for greater holding power
Smooth shank for ease of penetration
Electrogalvanized nail also appropriate for use with vinyl siding