The spark plug angle is limited to within 20 degrees. Function: You can use it to quickly find the exact TDC.
7880 14mm Thread Top Dead Center Indicator Switch Shift Indicator Replacement...
Zeiboat 7880 14mm Thread Top Dead Center Indicator Switch, TDL
7880 14mm Thread Top Dead Center Indicator Switch, Shift Indicator...
7880 Top Dead Center Tool -14mm Thread Indicator Replacement...
14mm Spark Plug Thread Repair Tool M14x1.25 Thread Chaser Kit, 5.27 LoSize: 14mm
