Simpson Swan Secure S13A200WWCBP 2-Inch by 0.090 Ring Shank Wire Weld 15-Degree White Head for PVC Trim T-304 Stainless Steel Coil Siding, 1200 Nails 304 Stainless Steel 15-Degree wire Coil Siding nails with White Heads 2-Inch 0.090 ring shank white head wire Coil Siding nails 1200 Per Box Fits all standard 15-Degree wire collation Coil Siding nailers See www.swansecure.com for more technical information