Versatile Compatibility: This shrink tool is designed specifically for Saxophone Mouthpiece musical instrumentsSteel Construction: Crafted from steel material, ensuring long term durability and resistance to wear during frequent useCompact Size: 3.94inchx2.44inchx0.79inch in size, Woodwind Brass Instrument Repair Maintenance Tool offer a comfortable grip and control, making them easy to handle during intricate repair tasksPackage Included: Each purchase includes a shrinking tool, securely packaged to ensure it arrives in nice conditionMaintenance Tool: Great for musicians looking to adjust or repair saxophone mouthpieces with ease and precision, ensuring optimal performance every time you play Specification: Material: Steelsmall hole is suitable for flutes and soprano saxophonelarge hole is great for alto and tenor saxophone Size Chart: 10cmx6.2cmx2cm/3.94inchx2.44inchx0.79inchInner diameter 1.6cm/0.63inch 1.9cm/0.75inch Package Includes: 1 Saxophone Mouthpiece Shrink Tool Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.