Package details:
3mm----- 20pcs
4mm ----- 10pcs
5mm ----- 15pcs
6mm ----- 25pcs
8mm ----- 15pcs
9mm ----- 20pcs
11mm ----- 15pcs
12mm ----- 15pcs
13mm ----- 25pcs
14mm ----- 15pcs
16mm ----- 20pcs
19mm ----- 25pcs
20mm ----- 15pcs
22mm ----- 20pcs
25mm ----- 15pcs
25mm ----- 15pcs
28mm ----- 10pcs
32mm ----- 5pcs

The snap ring, also known as the circlip, is installed in the shaft slot or slot of the machine/equipment and acts to block the axial movement of the part on the shaft or hole.