1. Use an electric drill with a mandrel to operate this tool. 2. Sharpen drill bits and enhance work efficiency. 3. Grinding wheel made of brown aluminum oxide (corundum). 4. Provides effective sharpening and reduces physical effort. 5. Lightweight and compact design for easy handling. Specifications: This product uses a brown aluminum oxide grinding wheel, making it suitable primarily for sharpening standard iron drill bits. It is not recommended for high-hardness drill bits, as wear may be excessive. Note: Slight color variations may occur due to lighting conditions and screen settings. These differences do not affect functionality. Material: ABS plastic + aluminum oxide grinding wheel Color: Orange Package Contents: 3 x Drill sharpener sets Note: The package includes only the items listed above. Other accessories are not included. Measurement tolerance: ±1–3 cm.