Jupiter's 631NMT Bb clarinet. 0.583" (14.81mm) bore; durable DURALENEâ„¢ plastic body with matt finished body and bell; forged keys and nickel plated adjustable thumb rest; undercut tone holes; individual G#/A key mounting; sturdy curved bridge keys link A/D ring keys; classically styled French pointed arms; molded case or backpack case.
