Quality jump rings are made of tarnish-resistant, hypoallergenic 304-grade stainless steel. Thickness: 20 gauge (approx. 0.8mm) Sold per bag of 100 jump rings.

Quality jump rings are made of tarnish-resistant, hypoallergenic 304-grade stainless steel. Thickness: 26 gauge (approx. 0.4mm) Sold per bag of 50 jump rings.