【】These rotary burr tools are made of high-speed steel with excellent craftsmanship, ensuring long-lasting sharpness and durability. They are not easy to break, providing reliable performance. 【Versatile Applications】Perfect for a variety of carving tasks, such as root tone, wood carving, mahogany furniture, aluminum, and plastic grinding. However, they may not be suitable for grinding hard materials like steel. 【3mm Shank】Equipped with a 3mm shank, these tools are compatible with most rotary tools, allowing for easy installation and secure use. 【 for PRECISION Carving】The sharpness of these rotary burr tools enables for PRECISION carving and shaping, ensuring the desired results for your projects. 【Quality Manufacturing】With their high-speed steel construction, these tools are meticulously crafted to deliver consistent and efficient performance, making them a reliable choice for your carving needs.