Soft copper wire : for rings with diameter 1.5 - 2cm 20 gauge ( wire diameter 0.8mm ) : 55cm ( 22 inch) 26 gauge ( wire diameter 0.4mm ) : 100cm ( 40 inch) Replayed from video : ( 20/1/2018) Making un ...

Soft copper wire: - 20 gauge (wire diameter 0.8mm): 22cm (about 9 inch) for the ring - 28 gauge (wire diameter 0.3mm): 40 cm ...