Luminous ring

Material: Stainless steel
Modeling: Geometry
Color: white gold piece, white side silver piece
Size: No. 6, No. 7, No. 8, No. 9, No. 10, No. 11, No. 12, No. 13

US number 4 5 6 7 8 9 10 11 12 13 14 15
Diameter(mm) 14.9 15.7 16.5 17.4 18.2 19 19.9 20.7 21.5 22.3 23.1 23.9
Perimeter(mm) 47 49 52 55 57 59.8 62.4 65 67.5 70 72.8 75.3
Port number 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Diameter(mm) 14.9 15.2 15.6 15.9 16.3 16.6 17 17.4 17.7 18 18.4 18.7 19.1 19.5 19.8 20.2
perimeter(mm) 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62