Danco 60093Z 1/2-Inch Standard Size Union Washer， 10-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Durable rubber construction</li><li>For use in Piping and plumbing systems</li><li>Use where electrically insulated connection is required</li><li>1-3/16 in. O.D x 3/4in. I.D. X 3/32 thick</li><li>Easy to install</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41J4nSd754L.jpg" noproxy>