Shimano 8L green lock ring for the left side.

Fit: (among others)

SG-5R30

SG-5R35

​SG-S501

SG-S700

SG-S705

​SG-C6000-8R

SG-C6000-8V

​SG-C6000-8D

SG-C6010-8R

SG-C6010-8V

​SG-C6060-8R

SG-C6060-8V