These gold jump rings are 3mm with a thickness of 0.4mm. These jump rings are made of stainless steel heavily plated in 24kt gold.
They are unsoldered and will arrive in the opened position.
Non-tarnish and hypoallergenic.
Outside diameter when closed is 3mm.
Inside diameter is 2.2mm.
Wire thickness is 0.4mm (about 26 gauge).
All dimensions are approximate.
Sold in lots of 100.