18 Ga Solid Copper 10 Mm O/d Jump Ring 150 P. 1 Oz Saw-cut Made in USA Metal: Genuine Solid Copper Natural Bright ( Not Plated ) Item:Open Round Jump Ring (Saw Cut ) Durable Rings Wire Size: 18 Ga / .040" / 1.0 MM Ring size: Outside Diameter Approx. 10 MM Quantity: pkg. Of 150 P. / 1 Oz