Specifications:

55mm back width/blue 3

55mm back width/black 3

55mm back width/blue 5

55mm back width/black 5

55mm back width/blue 10

55mm back width/black 10

55mm back width/blue 1

55mm back width/black 1

35mm back width/blue 10

35mm back width/black 10

35mm back width/blue 5

35mm back width/black 5

35mm back width/blue 3

35mm back width/black 3

35mm back width/blue 1

35mm back width/black 1