1. The blade or body of the knife is too long will cause vibration and deflection during processing, which will lead to damage to the tool and affect the quality of processing, to meet your needs we recommend that you try to use a short blades.
2. Fine point blades can not be used in electric drill, drill press and other machines. Avoid processing copper, iron and other metals and materials such as sand and gravel.
3. If the cutting jumps during the work, please stop immediately and repeat the installation test several times to make the tool and the jacket get sufficient contact before working.
4. Please use suitable eye and ear protection when operating, body, clothes and other debris should not be close to the working blade.
5.In order to avoid scratches, please keep these replacement blades in a safe place and keep these explore cutting blades out of reach of children,tiny parts, prevent swallowing.