Diameter: 3/8"

The Dark Green is a dark emerald green color

INCLUDES: One Package of Fine Ballast (Buff)

One rubber straight neck

Not safe for foam

Spektrum SPM9560 Aircraft RPM Sensor / Bracket AR7200BX / AR7300BX Lazer ZX Parts Diameter: 3/8"Spektrum SPM9560 Aircraft RPM Sensor Bracket AR7200BX AR7300BX Key Features Sensor for measuring motor engine RPM's in airplanes and helicopters Used in conjunction with the SPM9548 Telemetry Module, the Sensor Board and Sensor is used for measuring motor engine RPM's Plug and Play & includes 6" telemetry interconnect lead and bracket for mounting the sensor DualLink provides superior frequency path diversity High Quality Plastic Case Compact