This unique neck is the very best money you can spend on your Selmer (Paris) tenor saxophone. You will immediately notice a great improvement in intonation and quicker response. These necks are hand hammered and hand burnished. They are not hydroformed! The engraving is elaborate and hand cut. The design of this neck incorporates a unique taper. Blowing resistance is minimal, and the scale is extremely even. A Saxgourmet Neck Enhancer is built into each one. The octave key is underslung for quicker action and a more precise pad seal. The pip has a unique taper whiih facilitates quick response between octaves. By adding mass at key points through the use of our exclusive Nodal Weights, response is improved, particularly at the troublesome note D2 and throughout the altissimo range. Because the neck recievers of even the finest saxophones are often manufactured unevenly and wear with age, you will need to have your Saxgourmet neck fitted at your local repair shop. This is a simple procedure that costs very little, usually around $10. This is essential, and something we cannot do for you without having your saxophone in our shop. We are happy to do this for you at no charge if you will ship your horn to us and pay the return shipping and insurance. Be sure to specify the make and model of your horn! The necks are different! For Selmer (Paris) tenor saxophones models Balanced Action, Super Balanced Action, Mk VI, Mk VI, Super 80 Series I,II, and III, Reference 36 and 54. PLEASE SPECIFY MODEL with your order. Instructions for adjusting the octave mechanism are included, as well as a Saxgourmet hard shell neck case.