Solid Silver GP Neck Joint Super Ring 1mm for Buffet Crampon Alto Saxophone Original wind instrument boost item from "Nagasawa Seisakusho". Compatible Models GP for Buffet Crampon Alto 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. ☆PtP: Clear articulation and resonance. A finish that combines all of solid silver, GP, and PGP. Main benefits when the joint ring is installed Easier to produce altissimo notes. Altissimo notes become fuller. The resonance of altissimo notes improves. In addition, many users have reported other benefits, such as an overall improvement in resonance and tone. It is especially popular and recommended for Buffet Crampon alto saxophones, as it is effective in suppressing the unique tone. Made using the same silver soldering and polishing method as rings. ☆The item for sale is one ring. Material: 950 Silver, Platinum Plated Finish Ring inner diameter is 24.9mm, with some error. Ring outer diameter is 26.9mm, with some error. Made to be slightly loose. Please give it a try. At Nagasawa Seisakusho, The maker himself has experience winning international competitions, and based on that experience, he has repeatedly tested and prototyped, and is designing and manufacturing solid silver wind instrument boost items in his workshop in Hatoyama-machi, Hiki-gun, Saitama Prefecture. #NagasawaSeisakusho #BuffetCrampon #SaxophoneAccessories #PlatinumPlating #NeckJoint #NeckJointRing #Yanagisawa #Yamaha #Selmer #AltoSaxophone #Saxophone