Polished Brass Cup-Shaped Mouthpiece for Brass Instruments

This single brass mouthpiece is a metal instrument part with a cup-shaped head and a long narrow shank, designed for brass instrument use. It provides the player's touch point and supports controlled breath stream through the cup-shaped design. The rounded cylindrical body and tapered shank create a simple, practical profile with smooth transitions. The polished surface gives it a smooth, refined appearance and comfortable feel. Intended as a replacement or spare part, it offers a compact, one-piece design that is easy to fit and store.