The Hillman Group 180279 Keps Lock Nut， 10-Inch by 32-Inch， 100-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The locking occurs when the washer is tightened against the bearing surface</li><li>For use in low-load assemblies and ensure a lasting hold for any project</li><li>Zinc Plated</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51414S60t7L.jpg" noproxy>