a=19,00 mm; plate diameter b=16,50 mm, sterling silver (AG-925)
a=10,00 mm; b=4,25 mm; c=2,65 mm; d=1,30 mm, sterling silver (AG-925)
A=9,20 mm; B=5,80 mm; C=1,70 mm, sterling hopea (AG-925)
A=12,50 mm; B=9,20 mm; C=1,70 mm, sterling hopea (AG-925)
A=15,90 mm; B=12,50 mm; C=1,70 mm, sterling hopea (AG-925)