Includes sizes:
20pcs x 3x1mm,
20pcs x 4x1mm,
20pcs x 4.5x2mm,
20pcs x 5x2mm,
20pcs x 6x2mm,
20pcs x 6x2.5mm,
20pcs x 6x3mm,
20pcs x 7x2mm,
20pcs x 8x2mm,
5pcs x 9x2mm,
5pcs x 10x2mm,
5pcs x 12x3mm,
5pcs x 13x3mm,
5pcs x 14x2.5mm,
5pcs x 17x2.5mm,
5pcs x 18x4mm,
5pcs x 20x2mm,
5pcs x 22x2mm
(O-Rings in image are only an example)