This Gretsch Pratt Muffler is just like the old one! It will work on new and old drums. It is a genuine Gretsch factory replacement part for your Gretsch Drum Set or Snare Drum. We stock a wide range of Gretsch parts at Drum Center of Portsmouth, which makes outfitting your USA Custom, Brooklyn, or Broadkaster drums, or any of the import drums much easier.