D'Addario Saxophone End Plug - Marbled EboniteKeep your sax safe and looking sharp with this premium marbled ebonite end plug Precision milled from beautiful, marbled ebonite, it slots neatly into the receiver of most alto and tenor saxophones. The vented design prevents moisture build up, helping your pads last longer while giving your horn the level of protection it deserves. A small upgrade that feels decidedly high end every time you use it.