It is a rubber exclusive for the lever using the Myungshin body.
Black 45 / Blue 35 / Yellow 30
It is only compatible with Fanta Lever/Airbag Lever/FLF Lever/Caze Lever/Alpha Lever/Wind God Lever.
Plastic (bobbin) parts that fit into the center of the rubber are not included.
It is not compatible with Samduk Sa lever.