These solid 9kt gold jump rings have an outer diameter of 3mm and a wire thickness of 22 gauge. 22ga = 0.64mm
The inside diameter of the jump ring is 1.76mm
These jump ring are perfect for welding/soldering.
Looking for 14kt Gold Filled jump rings? You can find them HERE.
Watch how to weld gold/gold filled jump ring with a Micro Welder. Check it out on YouTube.