Features include a 9 3/4" (248mm) bell, a .468" (11.89mm) bore, a 17" (432mm) length, a weight of 3 lbs. 11 oz. (1.65kg), a 6V mouthpiece with a trumpet shank (or it can be adapted for a French horn mouthpiece) and a heavy duty travel case. The instrument comes in lacquer or silver finish. The marching F mellophone uses trumpet fingerings, which allows for easy movement of students between trumpet and mellophone. Give yourself or your students pinpoint tuning accuracy with the new "Micro-Tune" tuning slide. The "Micro-Tune" slide allows you to have the tuning control that you have always wanted in a brass instrument. The slide has been specifically designed to compensate for each instrument's specific tuning needs. Finally a VERY "user friendly" technique of tuning that puts you in total control of your instrument.