Copper and Bronze Jump Rings
The ring measurements are nominal rounded values. Slight variations may occur. Our code numbers provide a guide to ring size - please refer to the actual id for ring size.
id = inner diameter. Since some metals spring back during ring manufacture, thus increasing the size of the id, we have listed the 'actual' inside diameter of the ring.
AR = Aspect ratio. This is the ratio of the inner diameter to the wire thickness (id/wire diameter)
AWG = American wire gauge. The gauge is quoted in American Wire Gauge (AWG) as so many patterns originate from the USA.
Copper and bronze will tarnish in time. Bronze is more difficult to work with as it is harder than copper.
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