Wheeler-Rex 79014 Glass Tube Cutter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Steel</li><li>For 0.25-Inch thru 1-Inch (6-25mm) O.D. gauge glass， laboratory glass， and porcelain tube</li><li>Small enough to carry in your pocket and almost as simple to use as a pair of pliers</li><li>Just wrap the chain around the tube and insert it through the jaw， then a quick twist of the wrist， a slight squeeze on the handles， and pop</li></ul></div><img src="http://ecx.images-amazon.com/images/I/412AmpTPBuL.jpg" noproxy>