Feature: 1. The spherical grooved knife can quickly remove material, saving you time and energy, allowing you to focus on the task at hand. 2. Carbon steel teeth have longer burrs, providing you with excellent grinding results and long service life. 3. The polishing tool is comfortable to use and easy to operate, allowing you to quickly remove various materials. 4. There is a very rough coating on the sanding head, which can quickly remove the blank while maintaining a relatively smooth finish. 5. The sharpening knife can be used on non‑metallic or non‑metallic materials, suitable for angle grinder type 115, with good quality and very durable. Specification: Tem Type: Spherical Rotary Burr Material: Carbon steel Color: Black Approx. 14mm/ 0.6in Wood Carving Drill Head (suitable for angle grinder type 115) Shank Diameter: Approx. 25mm/ 1in Drill Diameter: Approx. 40mm/ 1.6in Package List: 1 x Spherical Rotary Burr Note: Use only on non‑metal or non‑metal materials.