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. Effective sharpening performance, reducing effort required. 5. Lightweight and compact design for easy handling. Specifications: This product uses a brown aluminum oxide grinding wheel and is intended primarily for sharpening iron drill bits. It is not suitable for high-hardness drill bits, as excessive wear may occur. 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.