Non-Tarnish 304 Stainless Steel Jump Rings, Open Jump Rings, Twisted, Oval, Stainless Steel Color

Size: about 0.47 inch(12mm) long, 0.39 inch(10mm) wide, 0.04 inch(1mm) thick, 18 Gauge, 0.30x0.39 inch(7.5x10mm) inner diameter.