Carbon fibre might be the greatest material you've ever heard of

It's lightweight but can withstand everything you put it through

The Carbon Fiber Solid Black Ring is simple and minimalistic, yet durable and dapper

This ring features an elegant basketweave pattern, which makes it the companion for any special event

Material:Carbon FibreDimensions:Surface Width: 0

32 in / 8 mmSize:Size 7

0 ( Diameter 0

68 in / 17

32 mm )Size 7

5 ( Diameter 0

7 in / 17

73 mm ) Size 8

0 ( Diameter 0

71 in/ 18

14 mm )Size 8

5 ( Diameter 0

73 in / 18

54 mm )Size 9

0 ( Diameter 0

75 in / 18

95 mm )Size 9

5 ( Diameter 0

76 in / 19

35 mm ) Size 10

0 ( Diameter 0

78 in / 19

76 mm ) Size 10

5 ( Diameter 0

8 in / 20

17 mm )Size 11

0 ( Diameter 0

81 in / 20

57 mm )Size 11

5 ( Diameter 0

83 in / 20

98 mm )Size 12

0 ( Diameter 0

84 in / 21

39 mm )Size 12

5 ( Diameter 0

86 in / 21

79 mm )Size 13

0 ( Diameter 0

87 in / 22

2 mm )