You can change it to fit your size. Can use wire with diameter from 0.8 - 1mm ( 20 gauge - 18 gauge ) . Length 10 - 20cm ( 4 - 8 inch) * In the video I use : 19 gauge ( wire diameter 0,9mm ...

17 gauge ( wire diameter 1,2mm ) : 33cm ( 13 inch) 18 gauge ( wire diameter 0.9mm ) : 5cm ( 2 inch) 21 gauge ( wire diameter 0.7mm ) : 3 x 40cm ( 16 inch) , 5 x 10cm ( 4 inch) 24 gauge ( wire ...