Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 3 strands, each 40cm ( 16 inch) 4mm cone crystal If you make a bracelet with a diameter of more than 5.5cm, you should use a wire with a length of ...
Size for rings with diameter 1.5 - 1.8cm Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 30cm ( 24 inch) 28 gauge ( ...