Solar Fastener Expert 361031SS 18-8 Stainless Steel Split Lock Washer, 5/16-Inch
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>300 Series Stainless Steel, (18-8)</li>
<li>Tensile - 100,000 psi to 125,000 psi</li>
<li>Hardness - 85 Rockwell B</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/411Q5mhiIUL.jpg'></br>