Simpson Swan Secure S11A175RNBP 1-3/4-Inch by 0.120 Ring Shank Wire Weld 15-Degree T-304 Stainless Steel Coil Roofing Nails, 480 per pack 304 Stainless Steel 15-Degree wire coil ring shank roofing nails 1-3/4-Inch by 0.120 stainless steel Coil Roofing Nails 480 Per Box Fits all standard 15-Degree coil roofing nailers See www.swansecure.com for more technical information