Koch Industries 4022831 Twist Lock Pin， 3-5/16-Inch， Zinc Plated， 2-Piece<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>High carbon spring wire</li><li>Self-locking design makes it more secure than a regular hair pin</li><li>Farm， lawn， garden &amp; other applications</li><li>Pins comes in poly bag</li><li>Fits shaft diameter 3/4 - 1-inches</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41SHayKt0kL.jpg" noproxy>