Manufactured for quick and easy installation, Fas-n-Tite Hot-Dipped Galvanized Roofing Nails are ideal for attaching roof shingles, insulation board, and felt to wood framing. The large, flat head provides large bearing surface and strong holding power for a secure finish. The hot-dipped galvanized finish on these nails provides superior corrosion resistance. Recommended for exterior use and with treated lumber.