Trumpets Pressure Reducing Valve Correction Assistant Tool Brass Instrument Accessories Beginners Breath Training Corrector

Trumpets Pressure Reducing Valve Correction Assistant Tool Brass Musical Instrument Accessories Breath Training CorrectorMade of high-quality copper, gold-plated surface, silver-plated treatment, the overall tone has been further enhanced mouthpiece more labor-saving, the use of CNC machine tools, good precision cup mouthpiece are designed with care pressure size adjustment, can be adjusted according to proficiency, so as to achieve blowing labor-saving, more accurate and better soundSpecification:Colour:Gold/Silver（Optional）Material: BrassSize:8.1*2.8cmWeight:82gThin head thickness: 1CMPackage List:1 * Pressure Reducing ValveOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.