EXQUISITE CRAFTSMANSHIP: The saxophone neck screws have exquisite craftsmanship, gold-plated shiny and shiny, no obvious burrs on the surface, and smooth feel. You can buy and use them with confidence. EASY TO INSTALL: The screw on the neck of the saxophone can be tightened directly with your fingers and thumb. It is very easy to install. Having it will bring great convenience to your installation and maintenance work. PERFECT ACCESSORY: This saxophone neck screw is an excellent replacement accessory for saxophone. It has exquisite workmanship and is a perfect replacement for old or damaged; it is very suitable for saxophone and is the perfect choice for high-quality saxophone neck screws. APPLICABLE TO: Saxophone tightening neck screws are suitable for all standard rubber and plastic standard saxophone mouthpieces. Especially suitable for musical instrument repair shops.