Parts List: 20 x Rotary Burr Bit Product Description: Our grinding burr set includes 20pcs bits with different shapes to meet your different working needs. 1/8 Inch shank makes them suitable for most rotary tools. Our rotary burr bits are suitable for engraving, beveling, chamfering, grooving, reaming, shaping, and other detailed work. With these tools, you can DIY your work at any time. Key Features: Wide Compatibility: Our grinding burr bit is designed with 1/8 inch shank, which can work with most rotary tools or die grinders. Different Shapes: Our carving bits have different head shapes, like sphere, cone, cylinder, and more, and they can be used for various applications. Easy To Carry: Our rotary burr bits are designed with compact size, easy to put into your tool box or bag, and convenient for carry around. Specification: Product Name: Rotary Burrs Bit Material: tungsten steel Color: silver Shank: 1/8 inch Quantity: 20pcs Applicable material: wood, plastic, metal, rock, etc NoteLs 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement.