Simpson Strong Tie C410ARN1 4d Annular Ring Shank Copper Bulk Roof Nails 1-1/2-Inch 10 Gauge 1-Pound Stainless Steel</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Large， flat head provides extra bearing surface to firmly secure roofing material</li><li>Shank diameter is .120-inch</li><li>Annular ring shank increases hold</li><li>Head diameter is 7/16-inch</li><li>Diamond Point for easy driving</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31Iedv6npoL.jpg' noproxy></br>