Note: The color of the spot is a silver ring embryo. The light emitted at night is yellow-green.
SIZE:
No. 4 = No. 14 inner diameter is about 14mm, inner circumference is about 44 No. 5 = No. 15 inner diameter is about 15mm, inner circumference is about 47 No. 6 = No. 16 inner diameter is about 16mm, inner circumference is about 50 No. 7= No. 17 inner diameter is about 17mm and inner circumference is about 53 No. 8 = No. 18, the inner diameter is about 18mm, and the inner circumference is about 56 No. 9= No. 19 inner diameter is about 19mm and inner circumference is about 59 No. 10 = No. 20, inner diameter is about 20mm, inner circumference is about 62 No. 11 = No. 21, the inner diameter is about 21mm, and the inner circumference is about 65 No. 12 = No. 22, the inner diameter is about 22mm, and the inner circumference is about 68
