- For use on big twin (excluding twin cam) with slotted screw tappet oil filter screen cover
- Designed for use with 7/16" combination wrench to allow for maximum rotation without touching engine cases
- O-ring design retains the tool in wrench or socket
- Flange design allows downward force to be applied to tool
- Can be used without removing exhaust pipes on most bikes
- Tappets should be serviced every oil change
