48 1 Inch Split KEY Ring Connector Keychain Zink Plated Spring Steel Made in the USA<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>single loop wire thinkness .072</li><li>Approx. thickness .120 in. 3.05 mm</li><li>Outside Diameter 1.100 in. 27.94 mm</li><li>Zink Plated Stainless steel</li><li>Approx Inside Diameter .932 in. 23.67 mm</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51OTusICnNL.jpg" noproxy>