Lasco 17-5393 Propane Plastic Cap and Strap with QCC-1<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Plastic QCC cap</li><li>Propane plastic cap</li><li>Fits 1-20 throw-a-way threads</li><li>Use to protect threads</li><li>Propane gas fitting</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41FLOH7s7mL.jpg" noproxy>