Freeman SNSSG92-225WC 15 Degree 2-1/4" Wire Collated Galvanized Smooth Shank Coil Siding Nails (3600 Count) are designed for working with siding, and roof and wall sheathing. These smooth shank siding nails are electro galvanized and made of steel for strength and durability. They are the pinnacle of quality and value, and are compatible with most coil siding nailers capable of firing 2-1/4" wire collated 15 degree siding nails – such as Freemans G2CN65 and PCN65. Each box includes 3,600 siding nails to ensure you have plenty of fasteners at your fingertips while on the job.