Description: 【Mouthpiece Repair Tool】: Mouthpiece Truing Tool is suitable for a variety of brass instruments, and is suitable for repairing mouthpieces of trumpets, French horns, trombones, tubas, etc. 【Gentle Curvature, Easy Repair】: Trumpet Repair Accessory has a gentle curvature that simplifies the repair process, allowing you to easily and accurately restores the mouthpiece 【Protect the Mouthpiece】: Repair Tool is carefully designed to prevent damage during the repair process, ensuring that your mouthpiece remains in good condition when it is restored to its original shape 【Stainless Steel Construction】: Mouthpiece Shaping is made of stainless steel to withstand regular use without compromising performance 【Compact and Convenient Size】: Mouthpiece Restorer is 13.5cm/5.31inch long and 1.5cm/0.59inch in diameter, which is compact enough for easy storage and transportation while providing effective repair capabilities when needed Size Chart: Length 13.5cm/5.31inch Diameter 1.5cm/0.59inch Package Includes: 1 Mouthpiece Truing Tool Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.