ProductSaxophone neck repair tool, specifically designed for Tenor, Alto, and Soprano sax neck parts. It's an essential tool for any saxophonist looking to maintain their instrument Repair ToolThe tool is also suitable for the repair of the interface of Alto, Soprano, Tenor and Upper bass Saxophones. It can effectively fix issues related to loose expansion and deformation of the saxophone neck mouthpiece Fit ForThe thicker version of this tool is universally applicable to medium-sized saxophones and sub-medium-sized saxophones while the thin version is suitable for soprano saxophones and flutes MaterialSaxophone Repair tool, made from durability steel material to meet your long term use Package IncludesEach package comes with a piece of this essential repairing tool ensuring your instrument stays in top condition at all times Size Chart:Length 15cm/5.91inch, diameter of the expanded parts at both ends 22-24mm/0.87-0.94inchinch,25-27mm/0.98-1.06inch Package Includes: 1 Saxophone Interface repair tool Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.