This set contains a selection of metric O-rings in the following sizes:
5 x 1.5mm, 13.3 x 2.4mm, 6 x 1.5mm, 14 x 2.5mm, 7 x 1.5mm, 15 x 2.5mm, 8 x 1.5mm, 16 x 2.5mm, 8 x 2mm, 18 x 3mm, 10 x 2mm, 20.2 x 3mm, 11.3 x 2.4mm, 22.2 x 3mm, 12 x 2mm, 24.2 x 3mm, 12 x 2.5mm, 26.2 x 3mm.