Base metal jump rings, 12mm outer diameter (O.D.), 10mm inner diameter (I.D.) diameter, 1mm thick. Available in bright silver, bright gold, black, bronze, dark silver (nickel) or copper.
$1 packs (bright silver) contain 4 grams - approximately 15 rings.
$4 packs (bright gold, black, bronze, nickel & copper) contain 22 grams - approximately 90 rings.
Please note that 12mm jump rings are a different colour batch to the 6mm jumprings.