a=24,00 mm; b=11,50 mm; c=3,50 mm; d=0,80 mm; sterling silver (AG-925)
a=2,50 mm; b=12,40 mm; c=2,00 mm; d=1,80 mm; e=3,30 mm, sterling silver (AG-925)
A=6,50 mm; B=7,50 mm; C=5,40 mm; D=3,50 mm, sterling silver (AG-925)