Features: 1.Repair Tool Kit: This kit includes 2 tap wrenches and 2 handle bars, simple and convenient, can be used for repairing various brass instruments. 2.Applicable Range: Compatible with various brass instruments, including trombones, trumpets, horns, etc., ensuring accurate and stable operation. 3.Metal Material: These maintenance tools are made of excellent metal, with high strength, wear resistance, impact resistance, and has a long service life. 4.Dents Removal: This tap wrench and handle kit can be used to remove pipe dents and effectively extend the service life of brass wind instruments. 5.Stable Operation: With reasonable design and excellent workmanship, these repair tools are stable and practical, suitable for professionals or beginners. specification:Item Type: Trumpet Tap Wrench Material: Steel Application: Compatible with various brass wind instruments, including trumpets, trombones, French horns, etc. Handle Length: Approx. 100mm / 3.94in Handle Diameter: Approx. 6mm / 0.24in Tap Wrench Length: Approx. 99.7mm / 3.93in Tap Wrench Diameter: Approx. 12mm / 0.47in, 14mm / 0.55in PackageList: 2 x Tap Wrenches 2 x Handle Rods