Axially assembled retaining rings are installed into machined grooves in housings/bores (internal) or on shafts (external). These rings are manufactured with lug holes¡ªsmall holes in the lugs of both axial internal and external retaining rings that are used to install/remove them, using pliers designed for this purpose.(from wikipedia)

Retaining Rings for Bores
Product Detail:
Φ11 retaining rings: 15 pcs
Φ13 retaining rings: 10 pcs
Φ14 retaining rings: 10 pcs
Φ16 retaining rings: 15 pcs
Φ19 retaining rings: 10 pcs
Φ20 retaining rings: 10 pcs

Retaining Rings for Shafts
Product Detail:
Φ6 retaining rings: 15 pcs
Φ8 retaining rings: 15 pcs
Φ9 retaining rings: 15 pcs
Φ11 retaining rings: 15 pcs
Φ13 retaining rings: 15 pcs
Φ14 retaining rings: 15 pcs
Φ16 retaining rings: 15 pcs
Φ19 retaining rings: 10 pcs
Φ20 retaining rings: 10 pcs
Φ22 retaining rings: 10 pcs
Φ25 retaining rings: 10 pcs
Φ32 retaining rings: 5 pcs