All-Silver Neck Joint Super Ring PGP (for Yamaha Soprano) 1mm "Nagasawa Seisakusho" original wind instrument boost item. * A 1mm "pink gold plated 950 silver ring" is attached to the neck joint of a Yamaha soprano saxophone. ☆ Representative characteristics of each surface finish ☆ Pure silver: Characterized by the soft tone of silver. GP: Characterized by a rich sound with good articulation. PGP: Characterized by a warm sound. Effects Makes it easier to produce altissimo notes. Makes the altissimo notes sound fuller. Improves the resonance of altissimo notes. In addition, many users have reported that it also improves the overall resonance and tone. Made using the same silver soldering and polishing method as rings. The quantity is one ring. Material: 950 silver The inner diameter of the ring is 18.0mm, with some error. The outer diameter of the ring is 20.0mm, with some error. It is made to be slightly loose. Please give it a try. Nagasawa Seisakusho, combining the trial playing and manufacturing by a saxophone player who has won international competitions, is devising and manufacturing all-silver wind instrument boost items at the workshop in Hatoyama-machi, Hiki-gun, Saitama Prefecture. Thank you. #NagasawaSeisakusho #NeckRing #Saxophone #Yamaha