Feature: 1. Professional repairing tool set for repairing saxophone sound hole deformation and dents. 2. Wide application, suitable for soprano saxophone, alto saxophone, and tenor saxophone. 3. Includes 1 wrench, 7 grinding heads, and 4 pads of different size, satisfying your various needs. 4. Made from premium metal, very sturdy and durable, can be used for a long time. 5. Exquisite workmanship, a practical tool set for professional repairer or musical instrument hobbyists. Specification: Features： Professional repairing tool set for repairing saxophone sound hole deformation and dents. Wide application, suitable for soprano saxophone, alto saxophone, and tenor saxophone. Includes 1 wrench, 7 grinding heads, and 4 pads of different size, satisfying your various needs. Made from premium metal, very sturdy and durable, can be used for a long time. Exquisite workmanship, a practical tool set for professional repairer or musical instrument hobbyists. Specifications： Color: Black &silver Material: Metal Size: 5cm/ 1.9inch, 4.5cm/ 1.7inch, 4cm/ 1.5inch, 3.5cm/ 1.3inch, 3cm/ 1.1inch, 2.5cm/ 0.9inch, 2cm/ 0.7inch Weight: 100g/ 3.5oz, 82g/ 2.8oz, 60g/ 2.1oz, 53g/ 1.8oz, 42g/ 1.4oz, 27g/ 0.9oz, 18g/ 0.6oz Size: 4.2cm/ 1.6inch, 3.3cm/ 1.2inch, 2.4cm/ 0.9inch, 2cm/ 0.7inch Weight: 19g/ 0.6oz, 12g/ 0.4oz, 6g/ 0.2oz, 3g/ 0.1oz Wrench Size: 22 * 8.8 * 1.5cm/ 8.6 * 3.4 * 0.5inch Wrench Weight: 84g/ 2.9oz Package Size: 30 * 21 * 5cm/ 11.8 * 8.2 * 1.9inch Package Weight: 640g/ 22.5oz Package List： 1 * Wrench 7 * Grinding Head 4 * Pads Package List: 1 * Wrench 7 * Grinding Head 4 * Pads