Screw-on adapter head to change the connector type of an optical power meter (M8 or M16 thread) or an OTDR: switch between SC, FC, ST or LC in seconds.
- M8-thread power meter: SC, FC or ST
- M16-thread power meter: SC, FC or ST
- OTDR: SC, FC, ST or LC
- Knurled metal ring, hand-tightened
- Sold individually
