Suitable for use on a wide range of materials including stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood and plastic The versatility of this tool ensures a wide range of applications, whether the material has threads or not. Features outstanding strength and hardness, enhancing its durability and ensuring long-lasting performance in a variety of conditions. Easy to operate: Use the lowest speed of the drill and apply minimal pressure for effective deburring This simple approach ensures ease of use while maintaining effectiveness for deburring tasks. Efficient and Time-saving: This deburring and external chamfering tool can quickly repair bolts and tighten nuts, significantly reducing labor and saving time and money. An essential tool for quick repairs and maintenance. Specification:B:Hexagonal Chamfering Tool Colour:As Shown Material:steel Package Contents: 5 x Deburring and chamfering tools 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.