Vintage B&K Cathode Rejuvenator tester Model 400 with Case and 2 adapters

Description

vintage B&K cathode rejuvenator tester model 400,  comes w/2 -adapters  1 is model no. CR-48 , the other is model no. C-40 ,untested , the only thing I can do is plug it  in and the red light came on , case , handle , hinges all in real good condition , look at all photos , 14 x 8 x 5 , sold as is , no returns , buyer pays all shipping and handling costs .