High quality: 10 pieces of titanium tungsten carbide burr set, and the surface is coated with titanium, ensuring its longevity and elegantly, can reach HRC70; Double cutting head design: the cross groove lines of Carbide rotary milling cutter make it more suitable for relatively low density materials, such as wood, plastic and aluminum. It would be the best choice for quick material removal on carbon and stainless steel. General Purpose Tools: Perfect for fine detail work, widely used for metallurgy, woodworking, l model engineering, wood carving, jewelry making, welding, chamfering, casting, deburring, grinding, etc. Easy to use: can generally be used with a portable electric or pneumatic tool drive (can also be used in machine tool, and the speed of electric / pneumatic tools is usually around 6000-50000 rpm; Various forms: y including cylinder shape, ball shape, oval shape, pointed end of tree shape, pointed end of tree shape, flame shape, investde cone, cone shape , the sharp radius. makes it suitable for most DIY work, such as fine detailing, cutting, l has engraving, sculpting, touch-ups and finishing. Product specification: Material: tungsten carbide Surface: coated with titanium / p Cutting diameter: 1/4 inch (6 mm) Shank diameter: 1/8 inch (3mm) Made of durable, heat-treated double-cut carbide that lasts a long time. Packaged with a nice plastic case for safe storage and protection safety Package: Set of 10 rotary burs Note: there may be a little chromatic aberration between the pictures with the products p Note: It does not include other things, the color is based on the first picture, and the other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!