The EZ-Tach makes RPM measurements quick and easy. This is a very useful tool for tune-up and other diagnostic work where accurate RPM readings are required. Just clamp over any spark plug wire and get accurate RPM on conventional or DIS ignition systems. The unit also features a data hold function. The large 2000 count LCD display shows; RPM, function, data hold indication and low battery indication. The EZ-Tach is powered by one 9 volt battery. Battery and instructions are included. Electronic Specialties 325 Tachometer
