Jupiter 700 Series JTB730A Tenor Trombone - 8" yellow brass bell, .500" bore, yellow brass outer slide, lacquer finish, ABS case DESCRIPTION The Jupiter JTB700 series trombones are designed and created for the beginner, in general with 0.500" bore size, 8" bell size and chromed plated inner slides. The material of outer slide and bell could be selected for different preference. FEATURES -The one piece leadpipe design allows the instruments to respond quickly and easily to support early success for young trombonists -Yellow brass outer slide offer superior response and a more centered tone with warm tone color -The extended-lever water key allows the player to drain the condensation quickly and with minimal effort SPECS - Key : Key of Bb - Bell : 8" Bell - Body Material : Brass Body - Outer Slide Material : Brass Outer Slide - Finish : Lacquered Finish - Bore Size : .500" Bore - Case : MyCase