Full tutorial video link above the title wire size to make bracelet diameter 5,5cm (can + a few centimeters to depreciate) 20 gauge ( wire diameter 0.8mm ) : 2 x 50cm( 20 inch), 5cm(2 inch) crystal ...

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

Your question is about 'magnetic copper' bracelets. Actually, such a thing does not exist because copper is not magnetic. However, both copper and magnetic bracelets have been used to overcome ...