* Designed to measure rapidly and
   effectively the amount of fuel that every
   injector returns to the deposit tank, so it
   can Identifies worn, blocked or inoperative
   injectors quickly and easily.
* Features:
- measurement tubes for short term tests and 
  measurement bottle for long term, 
  more accurate evaluation.
- Direct measurement of return flow of the 
  injector
- Measure return fuel flow on diesel vehicles up 
  to 6 cylinders.