Trombone, trumpet, palm, cornet, maintenance tool, musical instrument, trumpet, piston, maintenance aid 1set

Product name: small corset, palm number (part of the key class of brass instruments can be used) cylinder grinding tool Material: 304 stainless steel Product introduction: with this tool, we have carried out data collection for a variety of Musical Instruments. The product's diameter, size and length have been verified for many times, and the final development is successful.The key problem that this tool can solve is: piston is not flexible, rebound speed is slow, affect playing. The piston's inflexibility problem is usually caused by two situations: one, the piston is deformed by accident, or the piston is not flexible due to corrosion on the surface after not being used for a long time.2. The cylinder is slightly deformed due to external forces. This tool can be used to grind the inner chamber. This product is mainly suitable for instrument lovers, orchestra, piano repair and use.