Beadsmith Jump Ring Opening and Closing Tool For Jewelry Makers<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The ring size is 6 1/4 (16.5mm Inner diameter)</li><li>The slots measure approximately 14， 15， 16 and 22 gauge</li><li>Simply slip it on like a ring</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31u%2BNYz%2B6LL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41UfHlDy91L.jpg" noproxy>