Saxophone Neck Looseness Correction Screw for Selmer/Yanagisawa This tool can solve the problem when the neck can no longer be fixed even when the tightening screw is tightened firmly. If the neck cannot be fixed and rotates, it may be due to looseness in the neck, which can cause air leaks. Air leaks are the biggest cause of poor sound quality. The usage is simple: remove the neck, remove the tightening screw, and instead, screw in this product. After tightening it to a certain extent, loosen it and remove it, insert the neck, insert the tightening screw, and tighten it. If the neck can be fixed, it's OK. If the neck still moves, repeat the same process. *Please note that if you perform the same work using only the tightening screw without this product, the tightening screw may break and get stuck in the screw hole. *This product improves neck looseness by restoring the expanded neck receiver, but if the neck insertion itself has already been modified to expand it, the receiver may not fit back in when it returns to its original size. *Please note that the packaging design may change. ■Exclusively for Selmer/Yanagisawa saxophones Common for Soprano, Alto, Tenor, and Baritone #AltoSax #TenorSax #BaritoneSax #SopranoSax #SaxNeck #WindInstrumentRepair #WindInstrumentMaintenance #Saxophone #ConcertBand #RepairTool #NeckScrew #LooseNeck #NeckCorrection