Allstar ALL18289-10 Black Thread Aluminum Jam Nut， (Pack of 10)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Aluminum jam-nuts have a 3/4-16 lh thread</li><li>Specialty jam nuts have smaller outside diameters allowing smaller wrenches to be used when changing radius rod lengths</li><li>Several other popular sizes are also available and are sold separately</li><li>One set of 10 pieces</li><li>It has a 90 day limited warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41eW%2BF5ZZtL.jpg" noproxy>