48 Split Ring Fishing Lure, Connector Nickel Plated Spring Steel 11mm Made in the USA O.D. Tolerances: Steel and Stainless Steel + .015 - .005 Approx. thickness 046 in / 1.17 mm Outside Diameter .430 in / 10.92 mm Nickel Plated Stainless steel Approx Inside Diameter .338 in / 8.59 mm