Features: Good replacement parts for saxophone. Make of copper, sturdy and Enduring, not easy to be worn or damaged. It expands outwards to give a better finger grip. Easy to install. Just tighten it by your hand. No complex process required. Package includes: 2Pcs saxophone neck screws. Specifications: Material: Copper Style: Long/Short Long size: about 2.85x1.45cm/1.12x0.57inch Short size: about 2.75x1.45cm/1.08x0.57inch Package Includes: 2pcs Saxophone Neck Screw note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.