A systematic test of various characteristics, such as gain, dark
current, maximum peak current, stability and relative quantum efficiency, has
been made to evaluate about 2,000 photomultiplier tubes for the upgraded CDF
Endplug calorimeters.  The phototubes are Hamamatsu R4125, 19mm diameter with
green-extended photocathode.  In this report we discuss the distribution of
the major characteristics measured and the failure mode.  Comparisons between
independent measurements made on some of the characteristics are used to
evaluate the quality of the measurement itself.