Jewel City Tools 2" Inch Coil Roofing Nails, Electro Galvanized Please make sure your tool can accommodate 2" nails in length. Our Coil Roofing Nails are manufactured according to the roofing industry specifications. These nails are 2" length 15-degree wire collated with a head diameter of .375" (3/8" diam) Made of .120" (11 gauge) SMOOTH shank Electro Galvanized steel. Electro Galvanized steel provides a very thin layer of coating with a measure of protection against the elements. Over time these nails may corrode. Commonly used in composition asphalt shingles applications. Not recommended for ACQ Treated Lumber. Each box contains approximately 1,440 nails. Compatible Coil Roofing Nailer models include: Grex CR50 NailPro NP-950P NailPro NP-950S Applications Include: Asphalt and fiberglass shingles for new roofs and reroofing. Attaching waterproof tar paper, roofing felt, metal drip edges, insulation board, cementitious fiber board products and vinyl siding.