Personalized Stainless Steel Luminous Ring

6: Inner circumference 52mm, inner diameter 16.5mm.
7: Inner circumference 54.7mm, inner diameter 17.3mm.
8: Inner circumference 57mm, inner diameter 18.2mm.
9: Inner circumference 60mm, inner diameter 19mm.
10: Inner circumference 62.4mm, inner diameter 19.8mm.
11: Inner circumference 65mm, inner diameter 20.6mm.
12: Inner circumference 67.5mm, inner diameter 21.5mm.
13: Inner circumference 70mm, inner diameter 22mm.
14: Inner circumference 72mm, inner diameter 22.8mm.