These gold jump rings are 5mm with a thickness of 1.0mm. These jump rings are made of stainless steel heavily plated in 24kt gold.
They are unsoldered but will arrive in the closed position.
Non-tarnish and hypoallergenic.
Outside diameter when closed is 5mm.
Inside diameter is 3.0mm.
Wire thickness is 1.0mm (about 18 gauge).
All dimensions are approximate.
Sold in lots of 100.