Mastercool (81290) Silver R134A Universal Valve Core Remover/Installer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>R134A</li><li>Large bore</li><li>Heavy duty design</li></ul></div><img src="http://ecx.images-amazon.com/images/I/317ndguso-L.jpg" noproxy>