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 damaged bolts and tighten nuts, significantly reducing labor and saving time and money. An essential tool for quick repairs and maintenance. Specification:A:Triangular Chamfering Machine 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.