This a original Steve Shires tenor trombone with a original double trigger in lines rotor Steve shires only made few of this valve for a tenor trombone the rotor are 562 the rest is 547 tubes . the bell is 1Y11G yellow brass the slide is regular bass trombone slide model B62 it only has #3 lead pipe that come with the horn .,this a great horn for any tenor trombone player the want to play Bass the in line trigger . independent you cam play them together or single making this valve very interesting .in all register the case is protec