The Rings have a inner diameter from 16 to 22 mm, two width and three colors.
4 columns DB11/05.7 mm wide 1.6 mm high Ø inner 16 - 22 mm Ø outer 21.2-27.2 mm
4 columns DB11/05.7 mm wide 1.6 mm high Ø inner 16 - 22 mm Ø outer 21.2-27.2 mm
4 columns DB11/05.7 mm wide 1.6 mm high Ø inner 16 - 22 mm Ø outer 21.2-27.2 mm
6 columns DB15/07.4 mm wide 1.3 mm high Ø inner 16 - 22 mm Ø outer 21.2-27.2 mm
6 columns DB15/07.4 mm wide 1.3 mm high Ø inner 16 - 22 mm Ø outer 21.2-27.2 mm
6 columns DB15/07.4 mm wide 1.3 mm high Ø inner 16 - 22 mm Ø outer 21.2-27.2 mm