Features: A Good Helper: Can save you time and energy, allowing you to concentrate on the task at hand. Teeth Surface: The teeth provide you with excellent wear life and have longer lasting burrs. Easy to Use: Comfortable and convenient operation allows you to remove various materials easily. Function: A very rough coating can quickly remove the blank while maintaining a relatively smooth finish. Note: Grinding head only, the grinder is not included, just for showing in the picture. Specification: Material: Carbon Steel Color: Black Size(Hole Diameter): Approx. 10mm, 14mm(Suitable for Angle Grinder) 10mm: Suitable for types100 Angle Grinder. 14mm: Suitable for types115 and types125 Angle Grinder. Drill head diameter:About 40 mm/1.6 inch Drill head length: About 40 mm/1.6 inch Outer diameter of tool handle:About 25 mm/1.0 inch Total length: About 108 mm/4.3inch Package included: 1 *Rotary Grinding Head