Description:Bearded man portrait in a vintage riveted helmet with strapped goggles, wide shank built from motorcycle chain links, and a Historic Route 66 shield sign on the inner side.

Ring dimensions:

• head length - 16.31 mm

• chain link width - 1.94 mm

• shank thickness - 2.41 mm

Ring sizes:

• inner diameter - 17.32 / 17.73 / 18.14 / 18.54 / 18.89 / 19.35 / 19.76 / 20.20 / 20.68 / 21.08 / 21.49 / 21.89 / 22.33 / 22.73 / 23.14 / 23.52 / 23.93

• us sizes - 7 / 7.5 / 8 / 8.5 / 9 / 9.5 / 10 / 10.5 / 11 / 11.5 / 12 / 12.5 / 13 / 13.5 / 14 / 14.5 / 15

• european sizes - 54.5 / 55.75 / 57 / 58.25 / 59.5 / 60.75 / 62 / 63.25 / 64.5 / 65.75 / 67 / 68.25 / 69.5 / 70.75 / 72 / 73.25 / 74.5

• british - N / N 1/2 / P / P 1/2 / R / R 1/2 / T / T 1/2 / V / V 1/2 / X / X 1/2 / Z / Z+1 / Z+2 / Z+3 / Z+4

Metal Weights for size 10:

• silver 925 - 11.56 g

• gold 14k - 14.37 g

• gold 18k - 17.19 g

• bronze - 9.37 g

• stainless steel - 8.59 g