Hard-to-Find Fastener 014973385866 Fine Left Hand Hex Nuts， 10-Piece<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diameter: 1/2"</li><li>Material: Steel</li><li>Finish: Plain</li><li>Driver Type: 3/4 Wrench</li><li>Thread Type: 20 (Fine)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51x7C-W%2BlBL.jpg" noproxy>