BOSTITCH C8P90BDG Thickcoat Round Head 2-1/2-Inch by .090-Inch by 15 Degree Wire Collated Coil Siding Nail (3,600 per Box) 2 1/2" x .090 Smooth Shank Thickcoat Galvanized Finish 3600 Nails Per Box For Use in the Bostitch N66C-1 Industrial Siding Nailer