Hard material, high strength, good durability, can withstand heavy pressure Comfortable handle, polished without burrs, does not hurt hands When a small elbow or piston becomes flattened and affects sound, use a suitable sheet metal ball to reach the flattened area and push it back into shape Wind instrument repair tool, compatible with trumpet and French horn Ideal gift for friends, family, and music enthusiasts Material: Alloy + Wood Color: Silver + Black Package Contents: 1 x Elbow Repair Handle 2 x Metal Balls Note: The package includes only the items listed above; other items are not included Note: Due to lighting reflections and display differences, the color in the image may slightly vary from the actual product Measurement error allowance: +/- 1-3 cm