Simpson Strong Tie C310ARN1 Annular Ring Shank Hand Drive Roofing Nail 3d 1-1/4-Inch by 0.134-Inch with 7/16-Inch Head Diameter， Copper</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Approximately 147 nails per pound</li><li>Large， flat head provides extra bearing surface to firmly secure roofing material</li><li>Smooth Head</li><li>Annular ring shank increases pull-out resistance</li><li>Diamond point for easier 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>