Grip Rite 112EGRFG 1-1/2-Inch Electro-Galvanized Roofing Nail, 50 Pounds 1-1/2-inch 11-gauge 7/16-inch diameter thin flat head Electro-galvanized, ring shank 50-pound sturdy cardboard carton with description label Approximately 186 per pound Meets or exceeds appropriate ASTM and UBC specifications