It has many intermediate instrument features: a .460" bore and 4.9" bell, a lacquered finish with nickel silver trim, nickel-plated top and bottom caps, finger buttons and water key, a tuning slide water key, adjustable third-valve slide finger ring, and adjustable third-valve slide stop. Comes with hard case and thickwall mouthpiece.
Giardinelli GTR 312 Student Trumpet Features:
Key of Bb
.460" bore
4.9" bell
Lacquered with nickel silver trim
Nickel-plated top and bottom caps, finger buttons and water key
Tuning slide water key
Adjustable third-valve slide finger ring
Adjustable third-valve slide stop
Comes with hard case and thickwall mouthpiece
;)