The Hillman Group 300318 9/16-Inch Split Lock Washer Grade 8， 50-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The split lock washer provides a more uniform load distribution</li><li>Used in applications with like nuts and bolts of similar diameter as well as screw products</li><li>These fasteners resist loosening caused by vibration and corrosion</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51eBvYAXbvL.jpg" noproxy>