5/8-18 UNF Thread Magnetic Speed Sensor MPU MSP6710The Speed sensor MSP6710 detects when ring teeth, or other ferrous projections, pass the tip of the sensor.Electrical impulses are produced by the sensor's internal coil and sent to the speed control unit.The signal from the MSP677 Speed sensor MPU, teeth per second (Hz.), is directly proportional to engine speed.5/8-18 UNF Threaded MSP6710:Thread Length: 4.86in [123.4mm]With Mating Connector: YeColour:Photo ColorMaterial:MetalPackage Contents:1X SensorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.