6.6mm ID Inside

400 Jump Rings, Silver-plated Brass, 9mm Round, 16 Gauge. Jewelry Connectors Chain Links Sold Per Pkg of 400 Silver Plated Brass 1.2mm thick 9mm outside Open not soldered Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card

unsoldered round Sterling Silver-Filled jumprings are made of a durable outer layer of sterling silver surrounding a copper-alloy core. Jumprings have additional silver plating for uniformity and are completed with an anti-tarnish coating to preserve the...