These jump rings follow the American Wire Gauge (AWG), also known as Brown and Sharpe (B&S). All sizes listed are inside diameter (I.D.), measured in millimeters which corresponds to the size of the mandrel onto which the wire is wound. Use these I.D.'s as a guide, not an absolute.
Size: 8mm outer diameter; 4.8mm inner diameter
Thickness: 1.6mm (14 gauge)
Quantity: 25 rings
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