48 Split Ring Fishing Lure， Connector Nickel Plated Spring Steel 9mm Made in the USA<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>O.D. Tolerances: Steel and Stainless Steel + .015 - .005</li><li>Approx. thickness .040 in / 1.02 mm</li><li>Outside Diameter .380 in / 9.65 mm</li><li>Nickel Plated Stainless steel</li><li>Approx Inside Diameter .300 in / 7.62 mm</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51EtjITxhyL.jpg" noproxy>