Rockin Beads 400 Jump Rings Silver-plated Brass 7mm Round， 18 Gauge 5mm Chain Links<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Silver Plated Steel for extra strength PACK OF 400</li><li>1mm thick</li><li>7mm outside 5mm inside</li><li>Slightly Pre Opened</li><li>Comes with Rockin Beads Size Gauge Card</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51kxjfeuc5L.jpg" noproxy>