Full tutorial video link above the title wire size to make earrings twisted round (can + a few centimeters to depreciate) 20 gauge ( wire diameter 0.8mm ) : 2x35cm( 14 inch), 2x4,5cm( 1,7 inch), ...
Soft copper wire 20 gauge ( wire diameter 0.8mm ) : 50cm ( 20 inch) You can use 0.6mm - 0.8mm wire ( 20 gauge - 22 gauge ) ...