LASCO 29-0519 Black Iron Nipple and Coupling with Right and Left Hand Thread， 1-Inch x 4-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Black iron nipple and coupling</li><li>1-Inch X 4-Inch nipple and coupling</li><li>Right and left hand threads</li><li>NPT / standard pipe thread</li><li>Use for gas piping， instead of ground joint union</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2BezMq1k0L.jpg" noproxy>