DescriptionThis is a saxophone neck screw, which is durable. This is an excellent saxophone component and will be a good choice for you. Easy to adjust, convenient and practical, can help you practice and perform better.Features- Color:Silver- Material: Steel- Size: About3.15X1.20X1.20cm/ 1.24X0.47X0.47in - Thread Diameter: 4mm - Selected excellent material, which has the good durability. The product is portable for taking. - The tools are sturdy and efficient. The user-friendly design, simple and easy to use, will bring you more convenience. - Professional neck screws, simple and practical, it is your good choice for replacement.- Tightens by finger and thumb, easy to install. Great for soprano, alto, and tenor saxophone accessories. - When you need to use them in one way for a long time, this product will quickly become your good helper.