3mm ID Inside

100 Jump Rings, Brass, 4.5mm Round, 20 Gauge Open Jewelry Connectors Chain Links Sold Per Pkg of 100Brass4.5mm Round 20 GaugeOpen jump rings not soldered100 per package

100 Jump Rings, Antiqued Silver-plated Brass, 5mm Round, 18 gauge Open Jewelry Connectors Chain Links Sold Per Pkg of 100Antiqued Silver Plated Brass5mm Round, 18 gaugeOpen jump rings not soldered100 per package

100 Jump Rings, Gold-plated Brass, 4.5mm Round, Approximately 20 Gauge Open Jewelry Connectors Chain Links Sold Per Pkg of 100Gold Plated Brass4.5mm round, approximately 20 gaugeOpen jump rings not soldered100 per package

Silver Plated Steel for extra strength 1mm thick, 5mm outside approx 3mm inside. Pre Opened straight cut for a easy pinch together. 400 Strong Jump Rings, 18 Gauge. Silver Plated Steel for extra strength 1mm thick Approx 5mm outside 3mm inside Slightly...