The Hillman Group 180396 1 1 1 1/4-20 Whiz Lock Nut， 100-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>A Whiz-Lock Nut is the brand name for a reusable， serrated flange lock nut</li><li>Whiz-Lock nuts are resistant to being loosened by torque or vibrations</li><li>Zinc-plated for moderate corrosion resistance</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41GMSwOxcCL.jpg" noproxy>