Martin Seibold Tone Stability Enhancer TSE 10
Martin Seibold Tone Stability Enhancer TSE 10, Tone Stabilizer, For rotary valve trombone, baritone and bass trumpet, Improves response and accuracy, Makes a more centered sound, Screw the knurled screw completely out of the TSE, place the threaded part against the valve sleeve from behind and screw both parts together with the help of the knurled screw so that the TSE rests against both valve sleeves, Silver plated, Made in Bavaria / Germany