Simpson Strong Tie Zn25212 1/4-Inch by 2-1/2-Inch Mushroom Head Carbon Steel Nailon， 100 Per Box<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The nylon shell acts as an insulator on the Nylon body anchors</li><li>Pins are made from cold rolled steel</li><li>Zinc anchors available with carbon and stainless steel pins</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31n0p3YFpdL.jpg" noproxy>