Soft copper wire: bracelet diameter 5.5cm (can + a few centimeters to depreciate) 20 gauge (wire diameter 0.8mm): 3 strands, ...
(can + a few centimeters to depreciate) 20 gauge ( wire diameter 0.8mm ) : 3 x 40cm( 16 inch), 15cm( 6 inch), 50cm( 20 inch) ...