This listing is for 100 Economical Anodized Aluminum Jump Rings or Buy in Bulk and Save! They are available in 18 gauge AWG and three diameters in a color mix. These are measured by their ID or Inside Diameter. They are made from anodized aluminum, do not contain nickel or lead and are perfect lightweight chainmaille creations.
They are saw cut and have a fairly smooth joint and are economically priced. Colors may vary and your mix may not contain all colors but will contain a nice variety.
Mandrel Size - 18 9/64" ID - Actual Size - 3.9mm ID
Mandrel Size - 18 5/32" ID - Actual Size - 4.3mm ID
Mandrel Size - 18 3/16" ID - Actual Size - 5.2mm ID
19 gauge SWG = 1.016mm
18 gauge AWG = 1.024mm