Haag Brass - BossBone - Tenor Trombone Options:BossBone w/ Screw Bell you can customize the length

you can customize the length of the shoulder strap to suit your requirements

Cup Description: C shaped cup with a medium diameter slightly larger than the 12

the insert is more delicate than traditional O-ring based products

C: A Harmonious Blend of Comfort and Quality* 🌟

Precisely Engineered Dimensions: Featuring a 27

Haag Brass - BossBone - Tenor Trombone Options:BossBone w/ Screw Bell you can customize the lengthThe BossBone is equipped with a Bosc valve, a rotary valve with an open passage and only 80 rotation. This valve was developed and invented by Cristian Bosc in 2011, HAAG Brass was the first company to install this valve in trombones at all. The HAAG BossBones can be individually adapted and built to your needs. Tuning: Bb F Bore: 13. 9mm . 547 Valve : Bosc Rotary Valve Thumb Lever: German or Americanstyle Bell : 220mm 8. 661 Bell: German or