Saxophone Neck Screw [Saxonorité] Standard Model, made of nickel silver with a pink gold finish. I am selling this because I changed my setup. There are no noticeable stains or scratches, but please understand that it is not new. M4x0.75 for Selmer and Yanagisawa saxophones. ★If you have any questions, please feel free to contact me in the comments section! Saxophone Neck Screw "Saxonorité" - Standard Model - The next-generation saxophone screw that meets "everything" demanded by modern saxophones! It brings overwhelming expressiveness. Especially suitable for alto, tenor, and baritone saxophones. Recommended for soprano sax players who want a solid playing feel.