Dark bronze tone overall. Panel with screws is brushed stainless or aluminum. The rest of it is some sort of hard plastic. Screws are 5" apart from center to center. No other identifying marks. I am the homeowner who is pretty handy and knowledgeable about most repair work.
Casey from SWISCO responded:
April 20, 2021
Hello,
Take a look and compare the specifications of our 82-005 surface-mounted handle set with 4-15/16" hole spacing to yours. Thanks for posting!