Conn Trombones
"Conn 62 Series Bass Trombone 62H with Dependent Rotors
Double Rotor Bass, .562'' (14.27mm) primary bore, .580'' (14.73mm) bore through rotor sections, ''stacked'' rotors function as a dependent system, 9-1/2'' (241mm) annealed rose brass bell, three interchangeable leadpipes, chrome-plated inner slides, lacquer finish, 1-1/2G mouthpiece, deluxe woodshell case.'"