1. Efficient Deburring: The 2PCS Screw Deburring Chamfer Cylindrical Chamfering Knife is designed to quickly and effectively remove burrs from screws, ensuring a smooth finish for all your repair projects.Cylindrical chamfer [small 3-20mm], cylindrical chamfer [large 5-25mm] 2. Chamfering: With the cylindrical chamfering knife, you can achieve precise angles while repairing threads. This tool is perfect for any DIY enthusiast or professional looking to enhance their screw repair skills. 3. Versatile Tool: The Screw Repairer Thread Trimming and Angle Bolt Repair Tool is an essential addition to every toolbox, making it ideal for a variety of applications including automotive, woodworking, and metalworking tasks. 4. Construction: Made with high-quality materials, the 2PCS Screw Deburring Chamfer Cylindrical Chamfering Knife offers long-lasting performance and reliability, ensuring that you can tackle multiple repairs without worry. 5. User-Friendly Design: The ergonomic design of the Screw Repairer Thread Trimming Tool ensures comfortable handling, allowing for better control and when chamfering screws and bolts. Perfect for both beginners and experienced users! Colour:Blue Material:Metal Package Contents: 2 x cylindrical chamfering knife(3-20mm/5-25mm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.