This best seller is a must have for every tune-up kit. Works with most ignition systems: DIS, conventional, electronic and computer controlled systems - domestic and imports. Patented skip circuitry tests up to 9,990 RPM. Convenient 1-hand operation.
- Check timing, diagnose a no-spark condition, check for electronic advance / retard, read engine RPM and more
- Slim, rotating barrel for better aim at timing mark
- Detachable leads, metal inductive pickup
- Protective hand guard