Solid Silver Neck Joint Super Ring GP (for Tenor Sax) "Nagasawa Seisakusho" original wind instrument boost item. Compatible Models Yamaha Various Yanagisawa (from T series to current WO) Selmer (Mark VI to Supreme models) Cannonball (fits just barely) * A 1mm "K24 gold-plated 950 silver ring" is attached to the neck joint of a tenor saxophone. ☆ Representative characteristics of each surface finish ☆ Solid Silver: Characterized by the soft tone of silver. GP: Characterized by a rich resonance with good articulation. PGP: Characterized by a warm resonance. Effects Makes it easier to produce altissimo notes. Thickens the sound of altissimo notes. Improves the resonance of altissimo notes. In addition, many users have reported other benefits, such as an overall improvement in resonance and tone. Made using the same silver soldering and polishing process as rings. Quantity: 1 ring. Material: 950 Silver Ring inner diameter: 27.6mm (with some error). Ring outer diameter: 29.6mm (with some error). Made to be slightly loose. Please give it a try. At Nagasawa Seisakusho, The creator himself has won awards in international competitions, and based on that experience, has repeatedly tested and prototyped, and designs and manufactures solid silver wind instrument boost items in his workshop in Hatoyama-machi, Hiki-gun, Saitama Prefecture. Although it is a small effort, we hope to be able to support the performance and practice of many people's musical performances, and to help improve the possibilities and enjoyment of music. #NagasawaSeisakusho #Saxophone #NeckRing #Yamaha #Selmer #Yanagisawa