Grip-Rite GRCR5DGAL 1-3/4-Inch by 0.120-by-15-Degree Galvanized Coil Roofing Nail, 7,200 per Box 1-3/4-inch by .120-inch by 3/8-inch Diameter Thin Flat Head Electro-Galvanized, Smooth Shank "High Wire" Collation Compatible with Most Tools 120 Count Coils, 7200 Nails per carton Use with Grip-Rite GRTCR175 Coil Roofing Nailer