The Hillman Group 58038 1/2 x 1/2-Inch Natural Nylon Spacer， Number-10， 20-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Made from natural nylon</li><li>Good insulation properties</li><li>Corrosion resistant</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31yfkh%2B7nKL.jpg" noproxy>