BOSTITCH C7R90BDG Thickcoat 2-3/16-Inch by .090-Inch 15 Degree Ring Shank Coil Siding Nail (3,600 per Box) Stanley Coil Collated Siding Nail, 0.099 in Shank Diameter, 2-3/16 in Length, Full Round Head, 15 deg Collation, Wire Collation, Diamond Point, Ring Shank, Steel Provides secure connections to components and lines This product is manufactured in United States 2 3/16" x .092 Ring Shank Thickcoat Galvanized Finish 3600 Nails Per Box For Use in the Bostitch N66C-1 Industrial Siding Nailer