This tool is designed for deburring and creating neat chamfers. It is indispensable for professional craftsmen and amateurs. With this tool you can quickly and easily fix damaged bolts and tighten nuts in place. It is suitable for use with an electric drill and is recommended for low speeds, allowing you to deburr effectively without the risk of damaging the material and avoiding sparks or burns. The drill's speed adjustment range from 0 to 400 rpm allows you to fine-tune the process. The tool is suitable for machining a variety of materials including stainless and hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood and plastic. Its design ensures accurate and clean chamfering thanks to the ability to adjust the diameter from 3mm to 19mm. This wide range makes it a versatile helper for any project.