2.9mm ID Inside

Rockin Beads Steel Tone Plated Brass 4mm Round 24 Gauge Open Jump Rings 24 Grams 650 Pcs Steel Tone-plated Brass Round Jump Rings 4mm Outside, 24 gauge, 2.4mm Inside Open Jump Rings (Not Soldered) Sold Per Package of 24 Grams, Approximately 650...

100 Jump Rings, Antiqued Silver-plated Brass, 4mm Round, 22 Gauge Open Jewelry Connectors Chain Links Sold Per Pkg of 100 Antiqued Silver Plated Brass 4mm Round 22 Gauge Open jump rings not soldered 100 per package