I'd say your spot on there buddy! They've just changed the colour of the boot and put a different name on it.
Almost on the money, mate
The AMES claims True-RMS in the pic, whereas no show on the Mastech
How true the True-RMS actually is, depends on when I receive a free one to compare with my Flukes
Both meters have the same optimistic CAT ratings,
which TBH may give half that only if they sport metal threaded posts to hold the meter together on a juicy HV/HI [[
BANG! ]]