Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 15cm ( 6 inch) for each earring 4.5cm ( 1.8 inch) for french hook ear ...
Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : cut the segments 1.5cm ( 0.6 inch) , 3cm ( 1.2 inch), 4cm ( 1.6 inch), ...